Cayin - RU6

Portable R-2R DAC & Amp

Sale price₹ 14,999 Regular priceMRP: ₹ 24,999
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DELIVERY
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What does "ships within 24/48 hours" mean?

In a nutshell, ships within 24/48 hours basically means that your product will be shipped out or dispatched from our warehouse within 24/48 hours after placing the order. It also indicates that the products are readily available at our warehouse and once we receive your order, we dispatch it out at the earliest either on the same day or the next working day depending on when you’ve placed your order.


What it does not mean:

A lot of our customers assume that it means their order will get delivered to them within 24/48 hours, but that’s not what it means. For an order to reach you, it can take anywhere up to 3-4 business days, depending on which part of India you are placing an order from.

For an accurate timeline, you can enter your pin code on the product page and check for an estimated date of arrival.

Delivery By:

7 Day Replacement Guarantee

In case you receive the Cayin - RU6 with a manufacturing defect, please raise a return request within 7 days of delivery.

However, if you receive an incorrect / damaged / different product or one with missing accessories, please raise a return request within 24 hours of delivery. In case you receive a product with a missing, incorrect, or faulty accessory, you will be given a replacement accessory instead of the entire product.

Please make sure that the product is in the original packaging with all the accessories it came with. We'll also need an unboxing video and images of the parcel to investigate about the discrepancy. You may be asked to share images of the product and the packaging received for us to determine the damage or defect prior to approving the return request. The free replacement will be shipped only once the original order is returned.

A replacement will be issued only if:

- It is found to be defective
- It is determined that the product was not damaged while in your possession
- The product is not different from what was shipped to you
- The product is returned in original condition (with brand’s/manufacturer's box, MRP tag intact, user manual, warranty card and all the accessories therein)

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Warranty & Services

Don't sweat it, this Cayin - RU6 comes with a 1 Year warranty from Cayin that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about Cayin's warranty in India.

Club Audiophile

Join Club Audiophile to begin your pursuit of great sound. Earn points and save on every purchase.

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Why Cayin is Special

🇨🇳

Designed in China

Established & Reputed

Trust us, our reputation speaks for itself 🏆!


I believe that when a brand has decades of proven excellence, you can invest with confidence knowing your purchase is backed by years of audio engineering expertise. These products come from manufacturers with extensive histories of innovation and unwavering commitment to sonic excellence. Think of them like luxury watch brands - their reputation has been earned through decades of consistent quality and innovation.


With their extensive history of innovation and countless satisfied customers worldwide, you can be confident your investment is backed by proven audio engineering expertise and industry leadership 📈.


When you see "🎖️ Established & Reputed" products, expect time-tested excellence from manufacturers who've consistently demonstrated mastery in audio engineering for generations.

Revered by Audiophiles

Audiophiles can be really picky 😤, and if the audiophile community says something sounds good, you can bet it's exceptional! I believe that earning audiophile reverence is like getting a standing ovation from music critics - it doesn't happen unless you've truly achieved something special. This audio gear has earned widespread acclaim from audiophiles worldwide, a community renowned for exacting standards and unwavering commitment to high-fidelity reproduction.


These discerning enthusiasts particularly value its extraordinary precision in sound reproduction and remarkable capability to create thoroughly immersive listening experiences. The audiophile community's endorsement carries significant weight because of their extensive experience with high-end equipment 🏆.


When you see "🙌🏻 Revered by Audiophiles" products, expect audiophile-grade excellence that satisfies even the most demanding listeners and consistently exceeds the highest standards.

🐣

Born in 1993

Why we love this DAC/Amp

Premium Economy

Sensible spending meets sophisticated quality in perfect harmony 💫.


I tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices - you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.


This thoughtfully curated selection demonstrates our commitment to bringing you outstanding sound quality and robust construction without requiring a significant financial investment. Each product has been meticulously evaluated to ensure it delivers performance characteristics typically associated with higher price brackets.


When you see "💎 Premium Economy" products, expect refined audio experiences that bridge the gap between entry-level and high-end offerings, delivering impressive clarity and features at accessible price points.


Serious Audiophiles Only

For those who have ventured deep into high-fidelity audio 🎯, the pursuit of sonic excellence becomes an endless journey of discovery and refinement. I believe that serious audiophiles demand equipment that can satisfy the most exacting standards and deliver performance that pushes boundaries. These products represent the pinnacle of acoustic engineering, incorporating advanced technologies and meticulous craftsmanship that enable them to reproduce music with utmost fidelity.


Each product has undergone rigorous evaluation to ensure it delivers exceptional performance that discerning listeners demand, from precise frequency response to impeccable detail retrieval and sophisticated sound staging. These devices incorporate premium components and engineering excellence that justify their position at the apex of audio performance.


When you encounter "🦈 Serious Audiophiles Only" products, expect uncompromising performance that satisfies the most demanding requirements and elevates critical listening to new heights.

Incredibly Popular

Some things deserve all the attention ⭐!


I've found that when something becomes incredibly popular in the audio world, it's usually for very good reasons. This exceptional audio gear has earned widespread popularity by consistently delivering outstanding performance that resonates with listeners across diverse preferences and experiences. Think of it like that blockbuster movie that everyone loves - sometimes, universal appeal indicates genuine quality rather than just marketing hype.


The widespread acclaim isn't just about trend or marketing - it's a testament to genuine quality and performance that has been consistently demonstrated through real-world usage. This popularity has been earned through merit, delivering reliable satisfaction to countless users 📈.


When you encounter "🥇 Incredibly Popular" products, expect proven excellence validated by the collective experience of satisfied users who've made these their go-to choice.

Our Team's Favourite

Cause after all, we are audiophiles first 🎧!


In my experience, when our entire team gets excited about something, you know it's genuinely exceptional. This audio gear has captured the hearts and minds of our seasoned experts, distinguishing itself as a standout favourite among people who test hundreds of products every year. Think of it like getting a unanimous recommendation from a panel of audio critics - when everyone agrees, you pay attention.


These selections have not only met but exceeded our rigorous standards, earning enthusiastic endorsement from our audio specialists who've tested everything from budget options to flagship models. When you choose these products, you're selecting gear that has been thoroughly vetted and passionately embraced by genuine experts 🏆.


When you choose "💙 Our Team's Favourite" products, expect expertly vetted excellence backed by genuine enthusiasm from people who live and breathe audio every day.

Works Great with Type-C

Don't have a 3.5mm headphone jack on your phone?


No need to worry 📞 - I believe these products represent the future of seamless audio connectivity. Think of Type-C as the universal language that all modern devices are learning to speak. It's like having a master key that works with your smartphone, laptop, tablet, and practically every new device you'll buy. These headphones connect directly to your Type-C port, delivering pristine digital audio without any dongles or adapters cluttering your setup.


The direct Type-C connection ensures both convenience and optimal audio performance, maintaining the integrity of your listening experience through a clean digital signal path. You'll enjoy plug-and-play functionality with universal compatibility, eliminating those frustrating moments of searching for the right adapter.


When you encounter "📱 Works Great with Type-C" products, expect seamless connectivity with modern devices and future-proof design that grows with your tech ecosystem.

Built like a Tank

Durability concerns? Rest assured 💪.


I tend to describe these products as audio equipment that's built to survive anything you can throw at them. These headphones incorporate high-grade metal components and reinforced design elements that ensure they can handle demanding conditions while maintaining structural integrity. Think of them as the military-grade vehicles of the audio world - over-engineered for reliability and built to last decades, not just years.


The metal construction provides exceptional strength and longevity while contributing to a premium feel that serious audio enthusiasts appreciate. Whether you're a professional who needs reliable daily-use equipment or someone who values long-term investment in audio gear 🏗️.


When you encounter "🪖 Built like a Tank" products, expect unmatched robustness and durability you can count on for years of intensive use.


Why it Sounds Amazing

DAC Chip

I like to say the DAC chip is the heart of any audio device — it’s the part that actually transforms digital files into music you can hear 🎧. Think of it like a chef decoding a recipe to create a delicious meal. The better the DAC chip, the more faithfully it translates your music. And in my experience, a great DAC can completely change how your headphones sound.


Now, here’s what’s actually happening: a Digital-to-Analog Converter (DAC) takes digital signals (your MP3s, FLACs, or streams) and converts them into an analog waveform your ears can enjoy. Different DAC chips — like those from ESS, AKM, or Cirrus Logic — offer their own sound signatures, levels of clarity, and noise performance. A good DAC ensures accurate timing, minimal distortion, and exceptional resolution.


When you see '⚙️ DAC Chip' products, expect: clean, detailed audio and better synergy with high-quality headphones — perfect for anyone upgrading from average sound to audiophile quality.

Power Output

I like to think of power output in audio gear like engine horsepower, it determines how much muscle your setup really has 💪. Whether you’re trying to drive a pair of power-hungry planar headphones or just want headroom for dynamic peaks, power output is the spec you want to check first.


Technically, it refers to the amount of electrical power (measured in mW or Watts) an amp or DAC/Amp combo can deliver to your headphones. More power means better control, improved dynamics, and the ability to handle demanding gear without distortion. But more isn’t always better, too much power with sensitive IEMs can introduce hiss or harshness.


When you see '🚀 Power Output' products, expect: strong driving capability, better dynamics, and optimal performance with headphones that need serious juice to shine.


Balanced Output

I often say balanced output is like using both hands to carry something heavy — it distributes power evenly and keeps things stable. In audio gear, balanced output helps reduce unwanted noise and interference, especially over longer cables. Think of it as a cleaner, more efficient way to transmit your music, ideal for anyone using high-end DACs, amps, or studio-grade headphones 🎧. You’ll typically find it on gear with XLR or 4.4mm connectors, and it's a must-have if you’re chasing that ultra-clean signal path.


Here’s what’s actually happening: a balanced output uses two separate signals, one inverted, so when interference is picked up along the cable, it gets cancelled out when the signals are recombined. The result? Cleaner audio, better dynamic range, and more power output — especially when paired with balanced headphones. The trade-off? You’ll need gear that supports balanced connections on both ends to really enjoy the benefits.


When you see '⚖️ Balanced Output' products, expect: ultra-low noise, more headroom, and better synergy with high-impedance headphones or sensitive IEMs — ideal for serious listening setups.

Cayin Presents An Exquisitely Crafted DAC For Immersive Music With Discrete R-2R - The RU6

Cayin introduces RU6 redefines portable audio with its innovative 24-bit discrete R-2R resistor ladder DAC circuit, offering an audiophile-grade listening experience in a compact, portable form. Designed to decode up to 384kHz PCM audio, the RU6 features a meticulously crafted array of 96 resistors (48 per channel) for precise and life-like audio reproduction. With its dual DA modes - Oversampling and Non-oversampling - listeners can choose between high-resolution, detail-rich playback or a more natural, organic sound. This, combined with its fully analog resistor array volume control, two-board circuit design, and low power consumption, makes the RU6 a standout in portable DAC/Amps. Compact, intuitive, and high-performing, the RU6 promises uncompromising sound quality wherever you go.

Innovative 24bit Discrete R-2R Resistor Ladder DAC Circuit

The Cayin RU6 features a self-developed 24bit discrete R-2R resistor ladder circuit that can decode up to 384kHz PCM audio. The basic idea of the R-2R ladder is a matched pair of resistors, the first is “R” and the other is “2R'' which has twice the value of R. To achieve 24-bit decoding, RU6 equips 48 units of resistors (23 x R and 25 x 2R), and that’s for one channel. So for a stereo 24 Bit R-2R decoder, RU6 features 96 units of resistors for life-like audio reproduction. With the advent of the R-2R circuit, Cayin RU6 establishes itself as the master of the fully-discrete resistor DAC topology in portable audio. The film resistor offers 0.1% high precision and the Temperature coefficient of resistance is 25 ppm/°C.

Offering Oversampling & Non-Oversampling DA Modes

Cayin offers both Oversampling and Non-oversampling DA modes in RU6. For Oversampling mode, the Digital Audio Bridge will upsample the digital audio data to 384kHz through digital filters. This will enhance the resolution, reduce noise and improve the anti-aliasing of the digital signal. The Oversampling DA mode will offer a noticeable improvement in details and frequency extension. The playback is clean and sharp with a darker background. On the other hand, NOS DA mode maintains the sampling rate of the original bit-stream and playback will become very musical with a natural and organic presentation.

Equipped With Fully Analogue Resistor Array Volume Control

The majority of USB DAC/Amps rely on your phone's volume control to regulate the headphone output volume. Technically this was not a viable solution to Cayin RU6. Cayin created a fully analogue resistor array volume control circuit in response to this problem, offering 99 steps of volume adjustment via nine segments of resistors and switching relays. Resistor Array volume control features a very high-quality volume control design, extremely transparent when implemented correctly. This design is incorporated in a lot of high-end preamps and integrated amplifiers.

Features Dual Circuit Board Layout For DSD & PCM Playback

To minimise audio signal interference, Cayin has split the RU6's circuit into two 6-layers PCB, with digital and analogue circuits installed on separate boards. This safeguards the audio signal integrity and ensures the noise from the reference clock and DSP does not bleed into the amplification circuit. This architecture in turn delivers artefact-free audio every single time. This circuit design combined with the R-2R architecture enables the RU6 to support hi-resolution PCM and DSD audio formats with support for 384kHZ PCM and DSD256 natively.

Intuitive & Versatile Operation With Low Power Consumption

Discrete R-2R circuitry is a low-power DAC circuit when compared to other highly integrated DAC chipsets. Because of this architecture, you can listen to music without worrying about your phone's battery draining out. USB-C connection offers compatibility with a wide range of phones, consumer electronics and computers. The hardware is intuitively designed and offers two gain settings to enhance performance with various IEMs and headphones. 

Meticulously Designed For Portability & OLED Screen

Cayin RU6 is meticulously designed with CNC Chassis for industrial design and manufacturing details . The dimensions of the DAC measures up to 65x25.4x13.7 making it portable all this is wrapped in a 28g package. With the volume controls serving as menu selectors and the OLED screen displaying playback information.

Innovative 24bit Discrete R-2R Resistor Ladder DAC Circuit

The Cayin RU6 features a self-developed 24bit discrete R-2R resistor ladder circuit that can decode up to 384kHz PCM audio. The basic idea of the R-2R ladder is a matched pair of resistors, the first is “R” and the other is “2R'' which has twice the value of R. To achieve 24-bit decoding, RU6 equips 48 units of resistors (23 x R and 25 x 2R), and that’s for one channel. So for a stereo 24 Bit R-2R decoder, RU6 features 96 units of resistors for life-like audio reproduction. With the advent of the R-2R circuit, Cayin RU6 establishes itself as the master of the fully-discrete resistor DAC topology in portable audio. The film resistor offers 0.1% high precision and the Temperature coefficient of resistance is 25 ppm/°C.

Offering Oversampling & Non-Oversampling DA Modes

Cayin offers both Oversampling and Non-oversampling DA modes in RU6. For Oversampling mode, the Digital Audio Bridge will upsample the digital audio data to 384kHz through digital filters. This will enhance the resolution, reduce noise and improve the anti-aliasing of the digital signal. The Oversampling DA mode will offer a noticeable improvement in details and frequency extension. The playback is clean and sharp with a darker background. On the other hand, NOS DA mode maintains the sampling rate of the original bit-stream and playback will become very musical with a natural and organic presentation.

Equipped With Fully Analogue Resistor Array Volume Control

The majority of USB DAC/Amps rely on your phone's volume control to regulate the headphone output volume. Technically this was not a viable solution to Cayin RU6. Cayin created a fully analogue resistor array volume control circuit in response to this problem, offering 99 steps of volume adjustment via nine segments of resistors and switching relays. Resistor Array volume control features a very high-quality volume control design, extremely transparent when implemented correctly. This design is incorporated in a lot of high-end preamps and integrated amplifiers.

Features Dual Circuit Board Layout For DSD & PCM Playback

To minimise audio signal interference, Cayin has split the RU6's circuit into two 6-layers PCB, with digital and analogue circuits installed on separate boards. This safeguards the audio signal integrity and ensures the noise from the reference clock and DSP does not bleed into the amplification circuit. This architecture in turn delivers artefact-free audio every single time. This circuit design combined with the R-2R architecture enables the RU6 to support hi-resolution PCM and DSD audio formats with support for 384kHZ PCM and DSD256 natively.

Intuitive & Versatile Operation With Low Power Consumption

Discrete R-2R circuitry is a low-power DAC circuit when compared to other highly integrated DAC chipsets. Because of this architecture, you can listen to music without worrying about your phone's battery draining out. USB-C connection offers compatibility with a wide range of phones, consumer electronics and computers. The hardware is intuitively designed and offers two gain settings to enhance performance with various IEMs and headphones. 

Meticulously Designed For Portability & OLED Screen

Cayin RU6 is meticulously designed with CNC Chassis for industrial design and manufacturing details . The dimensions of the DAC measures up to 65x25.4x13.7 making it portable all this is wrapped in a 28g package. With the volume controls serving as menu selectors and the OLED screen displaying playback information.

Dual Headphone Output

Cayin RU6 is embedded with a single ended 3.5mm and balanced 4.4mm headphone to connect with various devices.

Control Buttons

Cayin RU6 features a control button to adjust volume and switch between the DA modes.

OLED Screen

Cayin RU6 is equipped with an OLED screen displaying the playback information.

Accessories to Get you Started

1. USB C to C Cable (Shielded)
2. USB A to C Adapter


All You Need To Know About The Cayin RU6

Headphone Output
3.5mm (Single-Ended)
4.4mm (Balanced)
USB
Type C USB Audio Input
DAC
24bit Discrete R-2R
Microphone Pass-Through
Not supported
Digital Decoding
Mode PCM: 44.1kHz ~ 384kHz
DSD: DSD64/128/256
3.5mm (Single-Ended) Headphone Output
Power Rating: 138mW @ 32 Ohms
Frequency Response: 20Hz-20kHz (±0.5dB)
THD+N: 0.032% (1kHz, Output: 0.5V)
Dynamic Range: 109dB (20Hz-20kHz, A-Weighted)
SNR: 113dB (20HZ-20kHz, A-Weighted)
Output Impedance: 0.5 Ohms


1 Year Warranty

Don't sweat it, this Cayin - RU6 comes with a 1 Year warranty from Cayin that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about Cayin's warranty in India.

Elevating Hi-Fi Experiences Since 1993

Founded in 1993, Zhuhai Spark Electronic Equipment Co., Ltd. has been dedicated to perfecting audio equipment under the brand name Cayin. With a commitment to delivering top-notch Hi-Fi products, Cayin embeds cultural richness into its audio range, catering to diverse budgets to make premium music experiences accessible. From tube amplifiers and CD players to speakers, Cayin maintains a consistent benchmark of quality, ensuring a compelling price-to-performance ratio across its offerings.

In 2013, Cayin expanded its horizons into personal audio, unveiling a line of Digital Audio Players (DAP) and desktop audio products. The brand further diversifies its portfolio with portable audio products, including amplifiers and in-ear monitors, empowering users with a broad spectrum of audio choices.

Explore Collection
An R2R DAC is pretty much the buzzword of the year. Everyone wants one, but most are incredibly expensive and need a big fat setup. The Cayin RU6 is set to change that. Pocket-sized, on-the-go, R2R goodness for everyone.

RAGHAV SOMANI

Thanks to the Cayin RU6, it is the first time that the user can experience the analogue like sound characteristics of the well designed R-2R technology from a USB powered DAC dongle.
The Cayin RU6 has a very musical, natural and analogue like presentation. That combined with the strengths of the R2R ,makes it a very interesting dongle for a lot of headphiles.
The Cayin RU6 differentiates itself from other DACs not only with its R2R technology but also with its organic, analogue sound. If you’re someone who values character, this is for you.

Noteworthily, it sounds very smooth and groovy and the output on RU6 is exceptionally natural, smoothly articulated with almost any IEM that has a very punchy low-end response. 
The soundstage is the part where Cayin RU6 is ripping the skin off its opponents. There’s no dongle with such a great soundstage. It’s wide, deep, and exact.
It’s an easy buy for audiophile collectors looking for something other than the ordinary. It promises a more analog experience hidden within a standard-looking device.
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Cayin - RU6 Portable R-2R DAC & Amp Sale price₹ 14,999 Regular price₹ 24,999
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Cayin - RU6 Portable R-2R DAC & Amp Sale price₹ 14,999 Regular price₹ 24,999
#color_black
iBasso - DC07PRO Portable USB DAC & Amp Sale price₹ 17,999 Regular price₹ 19,999
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Cayin - RU7 Portable Discrete 1-Bit DAC & Amp Sale priceFrom ₹ 24,999 Regular price₹ 28,999
DAC Chip

R-2R Resistor Ladder

Quad Cirrus Logic CS43131

Discrete 1-Bit DSD

Headphone Output

3.5mm (Single-Ended)
4.4mm (Balanced)

3.5mm (Single-Ended)
4.4mm (Balanced)

3.5mm (Single-Ended)
4.4mm (Balanced)

Ideal For

🦈 Serious Audiophiles Only

🦈 Serious Audiophiles Only

🦈 Serious Audiophiles Only

Power Output

Upto 213mW @ 32 Ohms

Upto 430mW+430mW @ 32 Ohms

Upto 400mW @ 32 Ohms

Input

USB-C

USB Type-C

USB-C



Have a question? Get in touch!

Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

Our customer support is available Monday to Friday: 10.30am-6:30pm.Average answer time: 2-3 Hours

Other Details


Generic Name DAC & Amp
Country Of Origin China
Importer Details Importers Name: Ferrari Video
Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020
Contact No: 044-24420733
Dimensions 65 x 25.4 x 13.7 MM
Net Quantity 1
Manufacturer Details Name: Zhuhai Spark Electronic Equipment Co.,Ltd.
Address: No.9 Lianfa Road Shuanglin Zone Liangang Industrial Park Zhuhai City Guangdong Province China, Postcode: 519045
Package Contents Cayin RU6
USB C To C Cable (Shielded)
USB A To C Adapter

Manuals & Guides



Quick Start Guide | RU6

Portable R-2R DAC & Amp



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  • Premium Economy

    Sensible spending meets sophisticated quality in perfect harmony 💫.


    I tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices - you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.


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  • Balanced Output

    I often say balanced output is like using both hands to carry something heavy — it distributes power evenly and keeps things stable. In audio gear, balanced output helps reduce unwanted noise and interference, especially over longer cables. Think of it as a cleaner, more efficient way to transmit your music, ideal for anyone using high-end DACs, amps, or studio-grade headphones 🎧. You’ll typically find it on gear with XLR or 4.4mm connectors, and it's a must-have if you’re chasing that ultra-clean signal path.


    Here’s what’s actually happening: a balanced output uses two separate signals, one inverted, so when interference is picked up along the cable, it gets cancelled out when the signals are recombined. The result? Cleaner audio, better dynamic range, and more power output — especially when paired with balanced headphones. The trade-off? You’ll need gear that supports balanced connections on both ends to really enjoy the benefits.


    When you see '⚖️ Balanced Output' products, expect: ultra-low noise, more headroom, and better synergy with high-impedance headphones or sensitive IEMs — ideal for serious listening setups.

  • Use Wirelessly with Bluetooth

    I tend to describe Bluetooth audio as wireless freedom with fewer strings attached — literally. When you see Use Wirelessly with Bluetooth, it means you can pair your headphones or IEMs with phones, laptops, or even TVs — all without reaching for a cable 🎶. It’s convenient, clutter-free, and great for everyday listening.


    What’s happening behind the scenes is your gear is using Bluetooth codecs like SBC, AAC, LDAC, or aptX to compress and transmit your music wirelessly. Better codecs mean higher quality and lower latency. Of course, there’s a trade-off — Bluetooth won’t match the quality of wired gear, but today’s advancements have made the gap much smaller than before.


    When you see '✂️ Use Wirelessly with Bluetooth' products, expect: tangle-free convenience and solid sound quality — great for commuting, workouts, or casual listening.


  • Battery Life

    In my experience, battery life is one of those things that separates a good day from a frustrating one. It's like having a fuel gauge you can rely on — longer battery life means less charging and more uninterrupted music. Whether you're on a flight or just commuting across town, this is one spec you don’t want to overlook 🔋.


    Technically, battery life refers to the hours your device can play music on a single charge. Today’s headphones and DACs can range from 4 to 40+ hours, depending on things like Bluetooth codec, volume, and active features like ANC. More battery life also means better travel and portability, though it might come at the cost of size or weight.


    When you see '⏳ Battery Life' products, expect: longer listening sessions, fewer charging breaks, and stress-free portability for music that goes the distance.

  • DAC Chip

    I like to say the DAC chip is the heart of any audio device — it’s the part that actually transforms digital files into music you can hear 🎧. Think of it like a chef decoding a recipe to create a delicious meal. The better the DAC chip, the more faithfully it translates your music. And in my experience, a great DAC can completely change how your headphones sound.


    Now, here’s what’s actually happening: a Digital-to-Analog Converter (DAC) takes digital signals (your MP3s, FLACs, or streams) and converts them into an analog waveform your ears can enjoy. Different DAC chips — like those from ESS, AKM, or Cirrus Logic — offer their own sound signatures, levels of clarity, and noise performance. A good DAC ensures accurate timing, minimal distortion, and exceptional resolution.


    When you see '⚙️ DAC Chip' products, expect: clean, detailed audio and better synergy with high-quality headphones — perfect for anyone upgrading from average sound to audiophile quality.

  • Power Output

    I like to think of power output in audio gear like engine horsepower, it determines how much muscle your setup really has 💪. Whether you’re trying to drive a pair of power-hungry planar headphones or just want headroom for dynamic peaks, power output is the spec you want to check first.


    Technically, it refers to the amount of electrical power (measured in mW or Watts) an amp or DAC/Amp combo can deliver to your headphones. More power means better control, improved dynamics, and the ability to handle demanding gear without distortion. But more isn’t always better, too much power with sensitive IEMs can introduce hiss or harshness.


    When you see '🚀 Power Output' products, expect: strong driving capability, better dynamics, and optimal performance with headphones that need serious juice to shine.


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  • Premium Economy

    Sensible spending meets sophisticated quality in perfect harmony 💫.


    I tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices - you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.


    This thoughtfully curated selection demonstrates our commitment to bringing you outstanding sound quality and robust construction without requiring a significant financial investment. Each product has been meticulously evaluated to ensure it delivers performance characteristics typically associated with higher price brackets.


    When you see "💎 Premium Economy" products, expect refined audio experiences that bridge the gap between entry-level and high-end offerings, delivering impressive clarity and features at accessible price points.


  • Balanced Output

    I often say balanced output is like using both hands to carry something heavy — it distributes power evenly and keeps things stable. In audio gear, balanced output helps reduce unwanted noise and interference, especially over longer cables. Think of it as a cleaner, more efficient way to transmit your music, ideal for anyone using high-end DACs, amps, or studio-grade headphones 🎧. You’ll typically find it on gear with XLR or 4.4mm connectors, and it's a must-have if you’re chasing that ultra-clean signal path.


    Here’s what’s actually happening: a balanced output uses two separate signals, one inverted, so when interference is picked up along the cable, it gets cancelled out when the signals are recombined. The result? Cleaner audio, better dynamic range, and more power output — especially when paired with balanced headphones. The trade-off? You’ll need gear that supports balanced connections on both ends to really enjoy the benefits.


    When you see '⚖️ Balanced Output' products, expect: ultra-low noise, more headroom, and better synergy with high-impedance headphones or sensitive IEMs — ideal for serious listening setups.

  • Use Wirelessly with Bluetooth

    I tend to describe Bluetooth audio as wireless freedom with fewer strings attached — literally. When you see Use Wirelessly with Bluetooth, it means you can pair your headphones or IEMs with phones, laptops, or even TVs — all without reaching for a cable 🎶. It’s convenient, clutter-free, and great for everyday listening.


    What’s happening behind the scenes is your gear is using Bluetooth codecs like SBC, AAC, LDAC, or aptX to compress and transmit your music wirelessly. Better codecs mean higher quality and lower latency. Of course, there’s a trade-off — Bluetooth won’t match the quality of wired gear, but today’s advancements have made the gap much smaller than before.


    When you see '✂️ Use Wirelessly with Bluetooth' products, expect: tangle-free convenience and solid sound quality — great for commuting, workouts, or casual listening.


  • Battery Life

    In my experience, battery life is one of those things that separates a good day from a frustrating one. It's like having a fuel gauge you can rely on — longer battery life means less charging and more uninterrupted music. Whether you're on a flight or just commuting across town, this is one spec you don’t want to overlook 🔋.


    Technically, battery life refers to the hours your device can play music on a single charge. Today’s headphones and DACs can range from 4 to 40+ hours, depending on things like Bluetooth codec, volume, and active features like ANC. More battery life also means better travel and portability, though it might come at the cost of size or weight.


    When you see '⏳ Battery Life' products, expect: longer listening sessions, fewer charging breaks, and stress-free portability for music that goes the distance.

  • DAC Chip

    I like to say the DAC chip is the heart of any audio device — it’s the part that actually transforms digital files into music you can hear 🎧. Think of it like a chef decoding a recipe to create a delicious meal. The better the DAC chip, the more faithfully it translates your music. And in my experience, a great DAC can completely change how your headphones sound.


    Now, here’s what’s actually happening: a Digital-to-Analog Converter (DAC) takes digital signals (your MP3s, FLACs, or streams) and converts them into an analog waveform your ears can enjoy. Different DAC chips — like those from ESS, AKM, or Cirrus Logic — offer their own sound signatures, levels of clarity, and noise performance. A good DAC ensures accurate timing, minimal distortion, and exceptional resolution.


    When you see '⚙️ DAC Chip' products, expect: clean, detailed audio and better synergy with high-quality headphones — perfect for anyone upgrading from average sound to audiophile quality.

  • Power Output

    I like to think of power output in audio gear like engine horsepower, it determines how much muscle your setup really has 💪. Whether you’re trying to drive a pair of power-hungry planar headphones or just want headroom for dynamic peaks, power output is the spec you want to check first.


    Technically, it refers to the amount of electrical power (measured in mW or Watts) an amp or DAC/Amp combo can deliver to your headphones. More power means better control, improved dynamics, and the ability to handle demanding gear without distortion. But more isn’t always better, too much power with sensitive IEMs can introduce hiss or harshness.


    When you see '🚀 Power Output' products, expect: strong driving capability, better dynamics, and optimal performance with headphones that need serious juice to shine.


#color_black#color_black
iBasso - DC07PRO Portable USB DAC & Amp Sale price₹ 17,999 Regular price₹ 19,999
  • Premium Economy

    Sensible spending meets sophisticated quality in perfect harmony 💫.


    I tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices - you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.


    This thoughtfully curated selection demonstrates our commitment to bringing you outstanding sound quality and robust construction without requiring a significant financial investment. Each product has been meticulously evaluated to ensure it delivers performance characteristics typically associated with higher price brackets.


    When you see "💎 Premium Economy" products, expect refined audio experiences that bridge the gap between entry-level and high-end offerings, delivering impressive clarity and features at accessible price points.


  • Serious Audiophiles Only

    For those who have ventured deep into high-fidelity audio 🎯, the pursuit of sonic excellence becomes an endless journey of discovery and refinement. I believe that serious audiophiles demand equipment that can satisfy the most exacting standards and deliver performance that pushes boundaries. These products represent the pinnacle of acoustic engineering, incorporating advanced technologies and meticulous craftsmanship that enable them to reproduce music with utmost fidelity.


    Each product has undergone rigorous evaluation to ensure it delivers exceptional performance that discerning listeners demand, from precise frequency response to impeccable detail retrieval and sophisticated sound staging. These devices incorporate premium components and engineering excellence that justify their position at the apex of audio performance.


    When you encounter "🦈 Serious Audiophiles Only" products, expect uncompromising performance that satisfies the most demanding requirements and elevates critical listening to new heights.

  • Balanced Output

    I often say balanced output is like using both hands to carry something heavy — it distributes power evenly and keeps things stable. In audio gear, balanced output helps reduce unwanted noise and interference, especially over longer cables. Think of it as a cleaner, more efficient way to transmit your music, ideal for anyone using high-end DACs, amps, or studio-grade headphones 🎧. You’ll typically find it on gear with XLR or 4.4mm connectors, and it's a must-have if you’re chasing that ultra-clean signal path.


    Here’s what’s actually happening: a balanced output uses two separate signals, one inverted, so when interference is picked up along the cable, it gets cancelled out when the signals are recombined. The result? Cleaner audio, better dynamic range, and more power output — especially when paired with balanced headphones. The trade-off? You’ll need gear that supports balanced connections on both ends to really enjoy the benefits.


    When you see '⚖️ Balanced Output' products, expect: ultra-low noise, more headroom, and better synergy with high-impedance headphones or sensitive IEMs — ideal for serious listening setups.

  • Works Great with Type-C

    Don't have a 3.5mm headphone jack on your phone?


    No need to worry 📞 - I believe these products represent the future of seamless audio connectivity. Think of Type-C as the universal language that all modern devices are learning to speak. It's like having a master key that works with your smartphone, laptop, tablet, and practically every new device you'll buy. These headphones connect directly to your Type-C port, delivering pristine digital audio without any dongles or adapters cluttering your setup.


    The direct Type-C connection ensures both convenience and optimal audio performance, maintaining the integrity of your listening experience through a clean digital signal path. You'll enjoy plug-and-play functionality with universal compatibility, eliminating those frustrating moments of searching for the right adapter.


    When you encounter "📱 Works Great with Type-C" products, expect seamless connectivity with modern devices and future-proof design that grows with your tech ecosystem.

  • DAC Chip

    I like to say the DAC chip is the heart of any audio device — it’s the part that actually transforms digital files into music you can hear 🎧. Think of it like a chef decoding a recipe to create a delicious meal. The better the DAC chip, the more faithfully it translates your music. And in my experience, a great DAC can completely change how your headphones sound.


    Now, here’s what’s actually happening: a Digital-to-Analog Converter (DAC) takes digital signals (your MP3s, FLACs, or streams) and converts them into an analog waveform your ears can enjoy. Different DAC chips — like those from ESS, AKM, or Cirrus Logic — offer their own sound signatures, levels of clarity, and noise performance. A good DAC ensures accurate timing, minimal distortion, and exceptional resolution.


    When you see '⚙️ DAC Chip' products, expect: clean, detailed audio and better synergy with high-quality headphones — perfect for anyone upgrading from average sound to audiophile quality.

  • Power Output

    I like to think of power output in audio gear like engine horsepower, it determines how much muscle your setup really has 💪. Whether you’re trying to drive a pair of power-hungry planar headphones or just want headroom for dynamic peaks, power output is the spec you want to check first.


    Technically, it refers to the amount of electrical power (measured in mW or Watts) an amp or DAC/Amp combo can deliver to your headphones. More power means better control, improved dynamics, and the ability to handle demanding gear without distortion. But more isn’t always better, too much power with sensitive IEMs can introduce hiss or harshness.


    When you see '🚀 Power Output' products, expect: strong driving capability, better dynamics, and optimal performance with headphones that need serious juice to shine.


Sold out
Headphone-Zone-Astell-Kern-AK-HB1Headphone-Zone-Astell-Kern-AK-HB1
Astell&Kern - AK HB1 Portable Bluetooth DAC & Amp Sale price₹ 19,999 Regular price₹ 23,999
  • Premium Economy

    Sensible spending meets sophisticated quality in perfect harmony 💫.


    I tend to describe premium economy products as finding that sweet spot where exceptional value meets refined performance. Think of it like business class comfort at economy prices - you're getting significantly more than what you paid for. These headphones deliver a refined listening experience that rivals more expensive alternatives, making them an intelligent choice for discerning listeners who appreciate both value and excellence.


    This thoughtfully curated selection demonstrates our commitment to bringing you outstanding sound quality and robust construction without requiring a significant financial investment. Each product has been meticulously evaluated to ensure it delivers performance characteristics typically associated with higher price brackets.


    When you see "💎 Premium Economy" products, expect refined audio experiences that bridge the gap between entry-level and high-end offerings, delivering impressive clarity and features at accessible price points.


  • Balanced Output

    I often say balanced output is like using both hands to carry something heavy — it distributes power evenly and keeps things stable. In audio gear, balanced output helps reduce unwanted noise and interference, especially over longer cables. Think of it as a cleaner, more efficient way to transmit your music, ideal for anyone using high-end DACs, amps, or studio-grade headphones 🎧. You’ll typically find it on gear with XLR or 4.4mm connectors, and it's a must-have if you’re chasing that ultra-clean signal path.


    Here’s what’s actually happening: a balanced output uses two separate signals, one inverted, so when interference is picked up along the cable, it gets cancelled out when the signals are recombined. The result? Cleaner audio, better dynamic range, and more power output — especially when paired with balanced headphones. The trade-off? You’ll need gear that supports balanced connections on both ends to really enjoy the benefits.


    When you see '⚖️ Balanced Output' products, expect: ultra-low noise, more headroom, and better synergy with high-impedance headphones or sensitive IEMs — ideal for serious listening setups.

  • Use Wirelessly with Bluetooth

    I tend to describe Bluetooth audio as wireless freedom with fewer strings attached — literally. When you see Use Wirelessly with Bluetooth, it means you can pair your headphones or IEMs with phones, laptops, or even TVs — all without reaching for a cable 🎶. It’s convenient, clutter-free, and great for everyday listening.


    What’s happening behind the scenes is your gear is using Bluetooth codecs like SBC, AAC, LDAC, or aptX to compress and transmit your music wirelessly. Better codecs mean higher quality and lower latency. Of course, there’s a trade-off — Bluetooth won’t match the quality of wired gear, but today’s advancements have made the gap much smaller than before.


    When you see '✂️ Use Wirelessly with Bluetooth' products, expect: tangle-free convenience and solid sound quality — great for commuting, workouts, or casual listening.


  • Battery Life

    In my experience, battery life is one of those things that separates a good day from a frustrating one. It's like having a fuel gauge you can rely on — longer battery life means less charging and more uninterrupted music. Whether you're on a flight or just commuting across town, this is one spec you don’t want to overlook 🔋.


    Technically, battery life refers to the hours your device can play music on a single charge. Today’s headphones and DACs can range from 4 to 40+ hours, depending on things like Bluetooth codec, volume, and active features like ANC. More battery life also means better travel and portability, though it might come at the cost of size or weight.


    When you see '⏳ Battery Life' products, expect: longer listening sessions, fewer charging breaks, and stress-free portability for music that goes the distance.

  • DAC Chip

    I like to say the DAC chip is the heart of any audio device — it’s the part that actually transforms digital files into music you can hear 🎧. Think of it like a chef decoding a recipe to create a delicious meal. The better the DAC chip, the more faithfully it translates your music. And in my experience, a great DAC can completely change how your headphones sound.


    Now, here’s what’s actually happening: a Digital-to-Analog Converter (DAC) takes digital signals (your MP3s, FLACs, or streams) and converts them into an analog waveform your ears can enjoy. Different DAC chips — like those from ESS, AKM, or Cirrus Logic — offer their own sound signatures, levels of clarity, and noise performance. A good DAC ensures accurate timing, minimal distortion, and exceptional resolution.


    When you see '⚙️ DAC Chip' products, expect: clean, detailed audio and better synergy with high-quality headphones — perfect for anyone upgrading from average sound to audiophile quality.

  • Power Output

    I like to think of power output in audio gear like engine horsepower, it determines how much muscle your setup really has 💪. Whether you’re trying to drive a pair of power-hungry planar headphones or just want headroom for dynamic peaks, power output is the spec you want to check first.


    Technically, it refers to the amount of electrical power (measured in mW or Watts) an amp or DAC/Amp combo can deliver to your headphones. More power means better control, improved dynamics, and the ability to handle demanding gear without distortion. But more isn’t always better, too much power with sensitive IEMs can introduce hiss or harshness.


    When you see '🚀 Power Output' products, expect: strong driving capability, better dynamics, and optimal performance with headphones that need serious juice to shine.


Customer Reviews

Based on 53 reviews
77%
(41)
17%
(9)
2%
(1)
2%
(1)
2%
(1)
R
Roop khanna (Delhi)
Wow great analog fidelity

Gives music a whole new dimension. Very detailed and clear. Love it!!

We’re delighted that you loved the product! Thank you for sharing your experience with us!

S
Sachin Chavan (Mumbai)
Nuance and Musicality

Such a small piece of equipment, priced very reasonably, this makes a significant difference to your music listening. But not everyone might perceive/ value it, this R2R DAC-Amp can be appreciated by keen listeners. Especially those who value nuances like texture, tonality and musicality that gets you foot tapping and head nodding.

I used it on my MacbookPro 16 in which has decent sound card and diving ability.... even connecting IEMS and less power-hungry headphones directly to it you can enjoy music. But the Cayin RU6 enhanced the joy significantly.

It has two modes - OS and NOS. And both have their utility. I was sceptical of the OS, but music that rocks sounds more enjoyable in this mode. But if you want to hear the right tonality, and artefacts (like Paul Desmond's blowing in Take Five), then it's best to use the NOS mode. And in Low Gain if your IEM/HP is not too demanding.

Even on the capable but entry level Final E3000 these improvements were quite perceivable. But on my Etymotic ER4SR this was further so as it is quite transparent and neutral.

The only downside, a minor one is that due to how the R2R has been build, when you increase or decrease volume, at each of the tens, i.e. 10, 20, 30 etc levels, the sound will cut off for fraction of a second. But then that's hardly a deal-breaker.

Overall, a worth investment if you have a decent mid-level source and headphones and want to experience the R2R magic. It just brings you that bit closer to recording itself as compared with delta-sigma desktop DAC-Amp in similar price range.

Thank you for such an in-depth and thoughtful review! Your insights are incredibly valuable and will surely help other audiophiles make informed decisions.

A
Anonymous (Pune)
Excellent product

Excellent product, I can even go as far as saying exceptional, but unfortunately didn't meet my personal needs. Don't let that deter you because it could be good for you.

Thankyou for your feedback and rating. Sad to know you did't had a great experience While we understand sound can be subjective for everyone. What one might like the other person might not resonate with it.

H
Hari Rao (Hyderabad)
Excellent

This is my third portable DAC. Others two being Sound blaster play 4 and Shanling UA1 plus. I like the sound of both but this Cayin RU6 belongs to a totally different class. I am currently using it with Logitech UE900 ear phones which I bought ten years ago. I can hear all the micro details in the music and movies which I never heard before. It has a super clear sound. I am happy with the purchase.

Hi there! Thank you for leaving such a positive review for the Cayin - RU6 DAC. Happy listening!

a
arindam mandal (Bengaluru)
Underwhelming if not fed from a proper source. Mindblowing otherwise.

Terrific dongle, but needs proper power from the source. Mobiles might not be the best sources. Apple users should 1) turn on high res in audio settings, and preferably use 24bit/192 khz lossless 2) disable dolby atmos 3) disable Sound Check (very important, else switching gain modes do not work and there seems to be some issue with the dynamic range) 4) Preferably turn off EQ.

Hey there, thank you for the awesome ratings!

G
Girish Samant
Good portable DAC amp for the price

Musical portable DAC amp. Fussy about interconnects. Choose the ones approved my Cayin. Along with the ones included in the box (USB C - USB C), I have used "Cayin - RU6 Lightning To USB-C Cable CS-L2C" (USB C - lightning) and they work fine. I have used it with Meze Neo 99 and Sennheiser HD 650. It is able to drive both of them. For HD 650, i need to keep the volume levels in 70s. If you are tighter on budget opt for RU6, if not you will find the Chord Mojo2 far DAC amp.

Thank you for the review! we appreciate it.

N
Naveen Vishwaroju (Hyderabad)
Best n above all

New to this audiophile world.. Donno exact wordings… of the all this is BEST, undoubtedly.. received properly from headphone zone..
once I started listening.. felt like .. enough, no need to search further.. so much clean sound ..velvety ..everything in place.. don’t buy too many DACs or DAPs .. buy this alone ,, adequate enough

Thank you for your kind words! We're glad you're enjoying the Cayin - RU6.

D
Duragesh Vibhooti (Bengaluru)
Outstanding purchase

Firstly thank you so much HEADPHONEZONE..i received CAYIN RU6 portable DAC just in two days..My first impression is compact size with plug & play. sounding is natural, wider sound stage, clear, deep bass and nice vocal control. I tried all type of songs just amazing.I was searching perfect music device like this since ten years, finally I got it.guys don’t think too much if you want to best of best music experience in budget this is one. Once again thank you HPZ. I am big big fan of HPZ….🙏🙏

This makes us really happy and we really appreciate the genuine feedback! We're glad that you have such positive thoughts about our team and the company.