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Portable R-2R DAC & AmpGET 18% GST INPUT
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because of the Goods & Services Tax in India.
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Browse EMI Plans
Low Cost EMI Options through Credit Cards
ICICI Bank
3
Low Cost EMI
₹ 5,134
₹ 401
₹ 324
6
Low Cost EMI
₹ 2,618
₹ 707
₹ 572
9
15.99%
₹ 1,780
₹ 1,017
12
15.99%
₹ 1,361
₹ 1,331
18
15.99%
₹ 943
₹ 1,970
24
15.99%
₹ 734
₹ 2,625
HDFC Bank
3
Low Cost EMI
₹ 5,134
₹ 402
₹ 324
6
Low Cost EMI
₹ 2,618
₹ 708
₹ 572
9
16%
₹ 1,780
₹ 1,018
12
16%
₹ 1,361
₹ 1,331
18
16%
₹ 943
₹ 1,971
24
16%
₹ 734
₹ 2,627
SBI Bank
3
Low Cost EMI
₹ 5,138
₹ 414
₹ 333
6
Low Cost EMI
₹ 2,610
₹ 663
₹ 534
9
15%
₹ 1,772
₹ 953
12
15%
₹ 1,354
₹ 1,246
18
16%
₹ 943
₹ 1,971
24
16%
₹ 734
₹ 2,627
Axis Bank
3
Low Cost EMI
₹ 5,134
₹ 402
₹ 324
6
Low Cost EMI
₹ 2,618
₹ 708
₹ 572
9
16%
₹ 1,780
₹ 1,018
12
16%
₹ 1,347
₹ 1,162
18
16%
₹ 943
₹ 1,971
24
16%
₹ 734
₹ 2,627
Other EMI Options through Credit Cards
Citi Bank
3
14%
₹ 5,117
₹ 351
6
14%
₹ 2,603
₹ 618
9
16%
₹ 1,780
₹ 1,018
12
16%
₹ 1,361
₹ 1,331
18
16%
₹ 943
₹ 1,971
24
16%
₹ 734
₹ 2,627
Kotak Mahindra Bank
Tenure
Interest%
Installment
Interest
3
16%
₹ 5,134
₹ 402
6
16%
₹ 2,618
₹ 708
9
16%
₹ 1,780
₹ 1,018
12
16%
₹ 1,361
₹ 1,331
18
16%
₹ 943
₹ 1,971
24
16%
₹ 734
₹ 2,627
RBL Bank
3
13%
₹ 5,108
₹ 326
6
14%
₹ 2,603
₹ 618
9
15%
₹ 1,772
₹ 953
12
15%
₹ 1,354
₹ 1,246
18
15%
₹ 936
₹ 1,844
24
15%
₹ 727
₹ 2,455
Standard Chartered Bank
3
13%
₹ 5,108
₹ 326
6
13%
₹ 2,595
₹ 574
9
14%
₹ 1,765
₹ 888
12
14%
₹ 1,347
₹ 1,162
INDUSIND Bank
3
14%
₹ 5,117
₹ 351
6
14%
₹ 2,603
₹ 618
9
15%
₹ 1,772
₹ 953
12
15%
₹ 1,354
₹ 1,246
18
15%
₹ 936
₹ 1,844
24
15%
₹ 727
₹ 2,455
HSBC Bank
3
12.50%
₹ 5,104
₹ 314
6
12.50%
₹ 2,592
₹ 552
9
13.50%
₹ 1,762
₹ 856
12
13.50%
₹ 1,343
₹ 1,119
18
13.50%
₹ 925
₹ 1,654
YES Bank
3
13%
₹ 5,108
₹ 326
6
13%
₹ 2,595
₹ 574
9
14%
₹ 1,765
₹ 888
12
14%
₹ 1,347
₹ 1,162
18
15%
₹ 936
₹ 1,844
24
15%
₹ 727
₹ 2,455
Bank of Baroda
3
13%
₹ 5,108
₹ 326
6
14%
₹ 2,603
₹ 618
9
14%
₹ 1,765
₹ 888
12
15%
₹ 1,354
₹ 1,246
18
15%
₹ 936
₹ 1,844
24
16%
₹ 734
₹ 2,627
American Express
3
14%
₹ 5,117
₹ 351
6
14%
₹ 2,603
₹ 618
9
14%
₹ 1,765
₹ 888
12
14%
₹ 1,347
₹ 1,162
18
15%
₹ 936
₹ 1,844
24
15%
₹ 727
₹ 2,455
Talk to a Headphone Guru
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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
















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
All You Need To Know About The Cayin RU6
4.4mm (Balanced)
DSD: DSD64/128/256
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
Frequency Response: 20Hz-20kHz (±0.5dB)
THD+N: 0.04% (1kHz, Output: 1V)
Dynamic Range: 110dB (20Hz-20kHz, A-Weighted)
SNR: 114dB (20HZ-20kHz, A-Weighted)
Output Impedance: 1.0 Ohms
2. USB C to C Cable (Shielded)
3. USB A to C Adapter
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.

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.

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.
R-2R Resistor Ladder
Quad Cirrus Logic CS43131
Discrete 1-Bit DSD
3.5mm (Single-Ended)
4.4mm (Balanced)
3.5mm (Single-Ended)
4.4mm (Balanced)
3.5mm (Single-Ended)
4.4mm (Balanced)
🦈 Serious Audiophiles Only
🦈 Serious Audiophiles Only
🦈 Serious Audiophiles Only
Upto 213mW @ 32 Ohms
Upto 430mW+430mW @ 32 Ohms
Upto 400mW @ 32 Ohms
USB-C
USB Type-C
USB-C
PCM: 44.1kHz ~ 384kHz
DSD: DSD64/128/256
Up To 32bit / 768kHz
Native DSD 512x
PCM 44.1kHz ~ 384kHz
DSD64/128/256
Native
USB-C
USB Type-C
USB-C
1. Cayin RU6
2. USB C to C cable (shielded)
3. USB A to C adapter
1. iBasso DC07PRO
2. USB-C to USB-C Cable
3. USB-C to Lightning Cable
4. USB-C to USB-A Converter
5. User Manual
6. Warranty Card
1. Cayin RU7 Dongle DAC
2. Type-C Cable
3. USB A to C Adapter
4. User Manual
5. RU7 Protective Case
Have a question? Get in touch!
Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

What is the warranty period on the Cayin RU6 and how do I claim warranty?
What are the inputs and outputs like on Cayin RU6?
Does the Cayin RU6 come with a mic?
What are the sampling rates supported by Cayin RU6?
Does Cayin RU6 consume battery power from the source to which it is connected?
Do I need to charge the Cayin RU6?

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

Portable R-2R DAC & Amp