Hidizs - SD2 (Unboxed)

Portable DAC & Amp

Sale price₹ 3,499 Regular priceMRP: ₹ 4,999
Sold out
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Color: Black
Choose an Option:🤑 Unboxed
What does Unboxed mean?
Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.
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Why Hidizs 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.

🐣

Born in 2016

Why we love this DAC/Amp

🥜 Value for Money

I've found that the best gear isn’t always the most expensive. Some products punch well above their weight and deliver performance that rivals higher-priced alternatives. That’s what we mean with the "Value for Money" badge. It’s our way of telling you that you’re getting something special without breaking the bank. 🥜


These products are all about maximum returns for minimal investment. You’re not just saving money — you’re gaining an audio experience that exceeds expectations. Whether it’s build quality, tuning, or bundled accessories, these picks overdeliver.


When you see '🥜 Value for Money' products, expect impressive performance at an affordable price, making them a smart pick for budget-conscious buyers or first-time audiophiles.

🌱 Ideal for Beginners

Lost in the vast world of audio equipment?


Don't worry, we're here to guide you 🤝! I believe that everyone's audiophile journey should start with something approachable and welcoming. These carefully selected products serve as the perfect entry point into high-quality sound, specifically chosen to help you navigate through sometimes overwhelming technical options. Think of them as your friendly neighbourhood guide who knows exactly where to start without getting lost in complex specifications.


These products strike an ideal balance between quality and accessibility, featuring user-friendly designs and straightforward functionality. They're specifically selected as the perfect starting point for your audiophile journey, offering serious performance without intimidating complexity or premium pricing that might discourage exploration.


When you encounter "🌱 Ideal for Beginners" products, expect approachable excellence - these are your stepping stones into the world of premium audio, designed to grow with your developing appreciation for great sound.

🛺 For Audiophiles On-the-Go

In my experience, finding great audio gear that performs well on the move is like discovering a powerful sports car that’s also fuel efficient. Products marked For Audiophiles On-the-Go are designed to deliver remarkable sound quality without weighing you down. Whether you’re commuting, working remotely, or just travelling light, these products offer the perfect balance of portability and performance 🚶‍♂️.


What makes them special? They’re often compact, lightweight, and built with battery-efficient components that don’t compromise on sonic detail. From portable DAC/Amps to foldable headphones and wireless IEMs, this category is for those who demand great sound anytime, anywhere — no bulky setups or power bricks required.


When you see '🛺 For Audiophiles On-the-Go' products, expect: pocket-friendly size, reliable battery life, and premium sound wherever life takes you — ideal for travel, work, or daily use.

📱 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.


Headphone Zone Certified Unboxed Units

Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.

Customer Returns

Returned headphones are fully functional products that have left the warehouse and therefore can no longer be sold as new as their packaging has been opened. The product may have been used once or twice by the customer who returned it.

Transit Damages

Sometimes we receive headphones in damaged packaging due to shipping accidents. These are brand new headphones with cosmetic flaws on the packaging.



Save Upto 15%

Since you won't get the original packaging, we give you a good discount compared to a new headphone.

Professionally Inspected

A thorough inspection means you receive a 100% working headphone with no sound output issues.

Original Warranty

All unboxed headphones carry the same warranty period as a brand new headphone would.

Unbiased Customer Service

We have the same Headphone Zone customer support experience for Unboxed Products or new products.

Unchanged Replacement Policy

Received a defective Unboxed unit? Return it under our Replacement Policy.

All Original Accessories

The unboxed headphones itself comes with all original accessories.

Hidizs Introduces SD2 - A Hi-Res Audio Certified Type-C DAC & Amp

Hidizs introduces the SD2, a HiFi dongle DAC with a Type-C interface and 3.5mm output, featuring the advanced ES9270 audio decoding chip from ESS™ Technology. Utilizing patented 32-bit HyperStream® II QUAD DAC™ architecture, it delivers powerful, high-quality audio output. The SD2 supports in-line control and a high-definition microphone for clear voice transmission. Encased in a sleek aluminium alloy chassis with a Mecha-inspired design, it combines sharp lines and geometric aesthetics. Hi-Res certified, the SD2 meets JEITA standards, ensuring an elevated music-listening experience.

Accurate Decoding With Advanced ES9270 DAC Chip

The Hidizs SD2 features the advanced ES9270 audio decoding chip from ESS™ Technology, utilizing patented 32-bit HyperStream® II QUAD DAC™ architecture. With an impressive output of 70mW+70mW@32Ω, it supports PCM up to 384kHz and DSD128, along with an integrated SABRE headphone amplifier. Delivering ultra-low distortion at 0.0015%, a 118dB signal-to-noise ratio, and 64dB separation, the SD2 functions seamlessly as both a DAC and amplifier. Designed to decode and play lossless Hi-Res audio, it ensures exceptionally clean, balanced sound for an immersive listening experience. 

Experience Powerful Amplification And Seamless Connectivity

Hidizs SD2 features a standard 3.5mm headphone jack that supports wired headphones or external active speakers to deliver a maximum single-ended output power of 70mW + 70mW @32Ω. This powerful output produces enhanced audio. Hidizs SD2 houses a standard Type-C interface connected to any smartphone, computer, tablet, gaming console and the latest iPhone 15 for seamless connectivity. Hidizs SD2 allows you to experience the same enhancement provided by an external sound card or audio decoding amplifier.

Supports In-Line Control & Microphone For Effective Communication

Hidizs SD2 is embedded with in-line control and a high-definition microphone to decode the microphone audio streaming up to 24-bit and 48 kHz for crystal clear communication. Hidizs SD2's versatility allows it to serve as a portable mini audio decoding device to deliver high-resolution audio across different usage scenarios.

Compatible With Multiple OS And Music Apps With Zero Delay And EQ Support

The Hidizs SD2 features a plug-and-play Type-C interface, ensuring seamless compatibility with Windows, iOS, Android, HarmonyOS, and more - offering zero delays for an immersive listening experience. It works with various mainstream music apps, bypassing built-in device audio processing with its built-in EQ sound adjustment. By decoding audio independently, the SD2 delivers a detailed, high-quality sound for an enhanced music experience.

Meticulously Designed And Crafted With Mecha-Style Aesthetic

Hidizs SD2 is meticulously designed with a cutting-edge aluminium alloy chassis for a visually appealing look. It features a unique etching technique to create a striking Mecha-style appearance with sharp lines and geometric shapes displaying exceptional craftsmanship. The 3.5mm audio jack is inclined at 45 degrees to enhance the decoding amp experience. It features a sample rate indicator to display the audio file's sampling rate - red for PCM 44.1-48kHz and blue for PCM 88.2-384kHz & DSD128. It weighs up to 6 grams and petite size 34.5×20×10mm making it lightweight and portable. This design makes Hidizs SD2 ideal to use at home, while travelling, working, gaming etc., for minimal disruptions to deliver a hassle-free experience.

Accurate Decoding With Advanced ES9270 DAC Chip

The Hidizs SD2 features the advanced ES9270 audio decoding chip from ESS™ Technology, utilizing patented 32-bit HyperStream® II QUAD DAC™ architecture. With an impressive output of 70mW+70mW@32Ω, it supports PCM up to 384kHz and DSD128, along with an integrated SABRE headphone amplifier. Delivering ultra-low distortion at 0.0015%, a 118dB signal-to-noise ratio, and 64dB separation, the SD2 functions seamlessly as both a DAC and amplifier. Designed to decode and play lossless Hi-Res audio, it ensures exceptionally clean, balanced sound for an immersive listening experience. 

Experience Powerful Amplification And Seamless Connectivity

Hidizs SD2 features a standard 3.5mm headphone jack that supports wired headphones or external active speakers to deliver a maximum single-ended output power of 70mW + 70mW @32Ω. This powerful output produces enhanced audio. Hidizs SD2 houses a standard Type-C interface connected to any smartphone, computer, tablet, gaming console and the latest iPhone 15 for seamless connectivity. Hidizs SD2 allows you to experience the same enhancement provided by an external sound card or audio decoding amplifier.

Supports In-Line Control & Microphone For Effective Communication

Hidizs SD2 is embedded with in-line control and a high-definition microphone to decode the microphone audio streaming up to 24-bit and 48 kHz for crystal clear communication. Hidizs SD2's versatility allows it to serve as a portable mini audio decoding device to deliver high-resolution audio across different usage scenarios.

Compatible With Multiple OS And Music Apps With Zero Delay And EQ Support

The Hidizs SD2 features a plug-and-play Type-C interface, ensuring seamless compatibility with Windows, iOS, Android, HarmonyOS, and more - offering zero delays for an immersive listening experience. It works with various mainstream music apps, bypassing built-in device audio processing with its built-in EQ sound adjustment. By decoding audio independently, the SD2 delivers a detailed, high-quality sound for an enhanced music experience.

Meticulously Designed And Crafted With Mecha-Style Aesthetic

Hidizs SD2 is meticulously designed with a cutting-edge aluminium alloy chassis for a visually appealing look. It features a unique etching technique to create a striking Mecha-style appearance with sharp lines and geometric shapes displaying exceptional craftsmanship. The 3.5mm audio jack is inclined at 45 degrees to enhance the decoding amp experience. It features a sample rate indicator to display the audio file's sampling rate - red for PCM 44.1-48kHz and blue for PCM 88.2-384kHz & DSD128. It weighs up to 6 grams and petite size 34.5×20×10mm making it lightweight and portable. This design makes Hidizs SD2 ideal to use at home, while travelling, working, gaming etc., for minimal disruptions to deliver a hassle-free experience.

Cutting Edge Design

Hidizs SD2 is meticulously designed utilising cutting-edge aluminium alloy chassis with striking Mecha-style appearance for impeccable asethetics and sample rate indicator displaying the audio file’s sampling rate.

Type-C Interface

Hidizs SD2 is embedded with a Type-C interface for seamless connectivity with various devices.

3.5mm Adapter

Hidizs SD2 houses an 3.5mm adapter making it compatible with various headphones.

Accessories to Get you Started

1. Type-C to USB-A adapter x1
2. User manual x1
3. Warranty card x1

All You Need To Know About The Hidizs SD2

DAC Chip
ESS Sabre ES9270
Plug
Type-C interface
Output Option
3.5mm (Single-ended)
Output Power
Up to 70mW+70mW SE 3.5mm
Frequency Response
20Hz-40kHz
Distortion: PO (3.5)
0.0015%


Other Details


Generic Name DAC & Amp
Importer Details Importers Name: Ferrari Video
Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020
Contact No: 044-24420733
Net Quantity 1
Manufacturer Details Name: Hidizs Technology Company Limited
Address: 4th Floor, No. 8, Yanhexi 3rd Road, Changping Town, Dongguan City, Guangdong
Package Contents Hidizs SD2
Type-C to USB-A adapter x1
User manual x1
Warranty card x1


1 Year Warranty

Don't sweat it, this Hidizs - SD2 (Unboxed) comes with a 1 Year warranty from Hidizs that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about Hidizs's warranty in India.

Navigating the Depths of Acoustic Expression

HIDIZS is a distinguished acoustic brand committed to delivering authentic, natural melodies. Founded by individuals with a rich background in music and a deep understanding of psychoacoustics, HIDIZS prioritise user experiences in their product development. While conventional audio products often concentrate on electronic aspects like waveforms and frequencies, HIDIZS recognise the significance of human perception. The goal at HIDIZS is to capture the intricate details that reflect distinct performance settings, the artist's emotions, nuanced instrument variations, and audience interaction. HIDIZS strives to recreate the cohesive, artistic essence and aesthetic beauty of musical compositions.

Explore Collection
What is most impressive, however, is the excellent, neutral and even sound with a great sound stage and an excellent technical layer for its category.
The SD2 really stands out is in its stereo imaging. The position of each performer is immediately discernible, and there’s no recognizable bleed between frequencies.
This is an affordable, compact, lightweight, and versatile dongle DAC for all your devices without skimping out on power and sound quality, the Hidizs SD2 has got your back.
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DAC Chip

ESS Sabre ES9270

Dual Cirrus Logic CS43131

ESS Sabre ES9219

Headphone Output

3.5mm (Single-ended)

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

3.5mm Single-Ended

Ideal For

🌱 Beginners

🪴 Budding Enthusiasts

🌱 Beginners

Power Output

Upto 70mW+70mW @ 32 Ohms

Upto 4Vrms @32 Ohms

70mW @ 32 Ohms

Input

USB-C

USB

Type-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: 11am-6pm.Average answer time: 2-3 Hours

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