





Astell&Kern - AK HB1 (Ex-Demo Unit)
Portable Bluetooth DAC & AmpGET 18% GST INPUT
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because of the Goods & Services Tax in India.
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especially if you can avail an offset.
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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
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Why Astell&Kern is Special
Designed in Korea
🎖️ 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 2004
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.
🛺 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.
✂️ 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.
🤹🏼♂️ Multi-point Connection
I’ve found multi-point connection to be a game-changer, especially for folks juggling devices throughout the day. It’s like having a PA system that knows when to switch between two stages. With multi-point, your headphones or earbuds can stay connected to two devices — like your laptop and your phone — and switch automatically based on what you need.
Here’s what’s actually happening: the device uses smart Bluetooth profiles to maintain active links with two sources. So when you're watching a movie on your tablet and a call comes in on your phone, it can seamlessly switch without you lifting a finger. Just keep in mind — not all codecs support this, and some devices limit codec quality when multi-point is active.
When you see '🤹🏼♂️ Multi-point Connection' products, expect: seamless switching between devices, ideal for multitaskers who are always hopping between calls and playlists.
⏳ 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.
🔋 Battery Capacity
I usually think of battery capacity like the size of your water tank — it determines how long the tap can run before drying up. In audio gear, higher capacity means more playtime, more power for your amp section, and better performance during high-demand usage 🧠. It’s especially important if your gear also powers powerful drivers or amps.
Measured in mAh (milliamp-hours), battery capacity helps you gauge how long your headphones, DAC, or amplifier will last between charges. Devices with higher capacity (like 3500mAh+) are ideal for extended use or when you’re away from a power source. Just know, larger capacity often means longer charging time and a slightly bulkier design.
When you see '🔋 Battery Capacity' products, expect: more power and longer playtimes — ideal for travel, long workdays, or heavy use without worrying about recharging.
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.
DEMO UNIT
Headphone Zone Certified Demo Headphones
Our careful selection of demo headphones gives you the experience of pre-burned in headphones - at drop dead prices. We do this sale every year to clear up our existing demos and to make way for new units instead. These demo headphones have been used at our Experience Studio in Mumbai. The pictures above depict the condition of the product and also indicate the accessories available with the headphone. For any specific questions about the condition please get in touch with us! While the product itself is fully tested by our Headphone Gurus and the outer packaging may have suffered some damage.
Get The Best Deal
You may or may not get the original packaging or some accessories may be missing & because of the fact that they've been extensively used as a demo at the Experience Studio, we give a good discount compared to a new gear.
Unchanged Policies
Received a defective Demo unit? Return it under our 7 Day Replacement Guarantee Policy.
P.S. If you do not like your gear, unfortunately we will not be able to accept the return.
Pre-Burned In
Demo headphones save you the time of burning in new headphones. Typically, brand new headphones take up to weeks to fully break in and sound as good as they should. With demo headphones, you get to enjoy the best sound out of the box.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Demo Units or any products.
Consider It Vintage
Vintage products have a certain charm that cannot be put into words. Think of old, discontinued demo headphones as vintage. They have a story; they have, how-to-say, character.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
IN THE BOX
| BOX CONTENTS | 1. Astell&Kern AK HB1 (Demo Unit) |
| 2. USB-C To USB-C Cable | |
| 3. USB-C To Lightning Cable | |
| WARRANTY | No Warranty |
DESCRIPTION
ASTELL&KERN INTRODUCE THEIR ALL-NEW BLUETOOTH DAC AND AMP - THE AK HB1
Astell&Kern's AK HB1 stands out as a portable Bluetooth DAC&Amp, providing a cable-free, high-quality audio experience and seamless Hi-Fi streaming services. By effortlessly connecting your mobile device to the Astell&Kern AK HB1 through Bluetooth, users can enjoy wireless Hi-Fi sound with a powerful built-in amplifier, accommodating various IEMs and headphones. Its compact and lightweight design adds to the convenience. Beyond Bluetooth, the AK HB1 also serves as a USB DAC, ensuring Astell&Kern's renowned sound quality. It further extends its versatility by enabling connections to gaming devices and immersive entertainment systems through microphones, transforming your mobile device into a multifunctional hub for a myriad of multimedia possibilities.



EMBEDS THE LATEST ESS DAC CHIPSET WITH A POWERFUL AMPLIFICATION STAGE
The Astell&Kern AK HB1 integrates ESS’s ES9281AC PRO DAC, ensuring superior noise control and delivering exceptional ultra-high-quality Hi-Fi sound performance. Going beyond the standard built-in DAC AMP, the AK HB1 features an exclusive AMP circuitry that achieves a robust 4Vrms output in a Balanced connection, supporting both 3.5mm unbalanced and 4.4mm balanced connectivity for versatile compatibility with a broad range of IEMs and headphones. Despite its compact dimensions (33 x 68.4 x 16.5 mm), Astell&Kern prioritise performance by incorporating micro resistors and capacitor parts, along with ultra-small tantalum capacitors to maintain stability and optimal audio circuit design. The device's output and audio performance are further enhanced by Astell&Kern's distinctive power management technology, minimising current consumption for connected devices.


ENJOY WIRELESS BLUETOOTH CONNECTIVITY WITH SUPPORT FOR MULTIPLE CODECS
The Astell&Kern AK HB1 comes equipped with Qualcomm's CSR8675 Bluetooth chipset, ensuring a reliable connection for the transmission of high-resolution audio sources. Supporting a range of codecs, including LDAC with 24-bit/96 kHz and aptX™ HD with stable 24-bit/48kHz, AK HB1 accommodates various audio preferences. With compatibility with commonly used codecs like AAC and SBC, this device ensures seamless wireless playback of high-resolution streaming audio from both smartphones and PCs. Additionally, the AK HB1 incorporates Bluetooth multi-point capability, enabling simultaneous connection with up to two devices. This functionality facilitates easy switching between different mobile devices, allowing users to enjoy music from a tablet PC while simultaneously receiving notifications and calls on their smartphone.


UNLEASH HI-RES AUDIO PLAYBACK WITH USB CONNECTIVITY AND MQA RENDERING
The Astell&Kern AK HB1 surpasses typical Bluetooth playback by offering exceptional, full high-resolution audio through its USB DAC connection to various devices, including PCs, smartphones, and tablets. With support for Native DSD256 and 32-bit/384kHz playback, AK HB1 ensures compatibility with a wide range of high-quality audio sources, delivering Astell&Kern's renowned premium sound quality. Additionally, featuring a renderer function that supports MQA 8X, AK HB1 enables MQA playback without the need for external DACs or playback devices. By connecting AK HB1 via cable to compatible devices supporting MQA unfolding, users can enjoy MQA audio playback through network-enabled apps and streaming services from any location.


EASY PLUG-AND-PLAY CONNECTIVITY WITH SUPPORT FOR UAC 1.0 & 2.0 PROTOCOLS
Astell&Kern AK HB1 streamlines the transition between Bluetooth and USB cable connections through its USB Plug & Play functionality. Users can connect AK HB1 to their PC or smart device using a USB cable for high-resolution sound while controlling settings through the app on their Bluetooth-connected smartphone. With BT Priority Mode activated, AK HB1 effortlessly switches to Bluetooth mode upon receiving a Bluetooth signal during USB DAC use. While modern devices support UAC 2.0 connections, some gaming devices rely on UAC 1.0. AK HB1 caters to both by supporting UAC 2.0 and UAC 1.0 connections, ensuring cross-platform compatibility. This allows users to connect AK HB1 to gaming devices like PlayStation and Switch, providing low latency and enhanced sound for an immersive gaming experience.


DEDICATED CAR MODE AND CRYSTAL CLEAR VOICE CALLS WITH HIGH SENSITIVITY MEMS MIC
Activate Astell&Kern AK HB1's dedicated Car Mode for a seamless high-quality DAC/AMP sound experience on the road. Connect AK HB1 to your vehicle's AUX port, and its power intuitively turns on/off based on your vehicle's ignition, allowing you to enjoy audio from paired devices effortlessly. With Knowles's high-quality MEMS microphone technology and Qualcomm's cVc Generation 8.0 call solution, AK HB1 ensures crystal-clear voice quality and stability, suppressing ambient noise for clear vocals. Additionally, the AK HB1 features a 4-pole in-line MIC for voice calls via wired earphones during USB DAC use. This enhances call quality alongside AK HB1's exceptional Hi-Fi sound. Note that the in-line MIC functionality is exclusive to USB DAC mode, while the built-in microphone handles calls during Bluetooth connections. AK HB1 supports only CTIA-compliant earphones for 4-pole configurations (OMTP-compliant products are not supported).



SMART CHARGING SYSTEM WITH LED INDICATOR AND PROPRIETARY APP FOR CONFIGURATION
Astell&Kern AK HB1 effortlessly identifies connected USB devices for playback or charging, streamlining the charging process without additional adjustments. The charging mode is adaptable, enabling simultaneous playback and charging to prevent battery depletion. Charging speed varies based on the connection; charging via USB takes about 1 hour and 30 minutes, while connected to a playback device, the charging speed adjusts, and the mode can be toggled on/off. In Charging Mode On, the HB1's battery is charged using the playback device's power, and Charging Mode Off operates solely on the AK HB1's battery. Two LED lights provide status information. The AK Control app enhances functionality, offering features like Device Priority, Volume Level, User EQ setup, Car Mode DAC Filter setting, and more for easy setup.
NOTE: If you are not able to connect AK HB1 and AK Control app on your iPhone, please refer to FAQs below.


BUNDLED WITH A HIGH-QUALITY DUAL SHIELDED CABLE FOR CLEAN AND VIVID SOUND
To achieve flawless compatibility across Android and iOS devices without extra adapters, the Astell&Kern AK HB1 incorporates an interchangeable cable that supports Type-C and Lightning connections. The dual-shielded audio cable is crafted to minimise noise, ensuring a more dynamic and authentic sound experience. The copper core wire, coated with tin for corrosion prevention and increased tensile strength, ensures robust durability. An aluminium film envelops the entire cable to block noise, with an additional layer of shielding around the power cable, effectively reducing audio interference. Addressing the crucial issue of noise in audio, the intricately woven tin-coated copper wire further diminishes interference. The audio cable is adorned with a fabric jacket over the TPE jacket, providing enhanced durability and usability with a visually appealing aesthetic.



SPECS
| COLOR | Shadow Black |
| BODY MATERIAL | Polycarbonate (Body) / Aluminum (Volume Wheel) |
| OUTPUT | 3.5mm (Supports CTIA standard 4-pole earphones/headphones), 4.4mm (Only 5-pole supported) |
| MICROPHONE PASS-THROUGH | Yes |
| BLUETOOTH | Chipset : Qualcomm CSR8675 Version : 5.0 Codec : LDAC, aptX™HD, aptX™, AAC, SBC Profile : A2DP, AVRCP, HFP |
| DAC | ESS ES9281AC PRO |
| SAMPLE RATE | PCM : 8kHz ~ 384kHz (8/16/24/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo |
| OUTPUT LEVEL | Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load) |
| INPUT | USB Type-C (Supports UAC 1.0 and UAC 2.0) |
| DIMENSIONS | 33 x 68.4 x 16.5mm (Excluding volume wheel) 39.8 x 68.4 x 16.5mm (Including volume wheel) |
| WEIGHT | About 1.41oz (40g) |
| FEATURE ENHANCEMENTS | Firmware upgrade supported |
| FREQUENCY RESPONSE | ±0.135dB (Condition : 20Hz~20kHz) Unbalanced ±0.136dB (Condition : 20Hz~20kHz) Balanced |
| S/N | 117dB @ 1kHz, Unbalanced 118dB @ 1kHz, Balanced |
| CROSSTALK | -112dB @ 1kHz, Unbalanced -112dB @ 1kHz, Balanced |
| THD+N | 0.0005% @ 1kHz, Unbalanced │ 0.0005% @ 1kHz, Balanced |
| IMD SMPTE | 0.0003% 800Hz 10kHz (4:1) Unbalanced 0.0003% 800Hz 10kHz (4:1) Balanced |
| OUTPUT IMPEDANCE | Unbalanced Out 3.5mm (2.5ohm) Balanced Out 4.4mm (2ohm) |
| CAPACITY | 600mAh 3.8V Li-Polymer |
| CHARGE TIME | About 1.5hours |
| PLAYBACK TIME | About 6hours (Standard : AAC) |
| BOX CONTENTS | 1. Astell&Kern AK HB1 (Demo Unit) |
| 2. USB-C to USB-C Cable | |
| 3. USB-C to Lightning Cable |
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 |
| DIMENSIONS | 39.6 x 83.6 x 14.6mm |
| NET QUANTITY | 1 |
| MANUFACTURER DETAILS | Name: Dreamus Company Address: 18-gil 5, Bangbaero, Seocho-Gu, Seoul, Korea 06664 |
| PACKAGE CONTENTS | Astell&Kern AK HB1 (Demo Unit) USB-C To USB-C Cable USB-C To Lightning Cable |
Headphone Zone Certified Demo Headphones
Our careful selection of demo headphones gives you the experience of pre-burned in headphones - at drop dead prices. We do this sale every year to clear up our existing demos and to make way for new units instead. These demo headphones have been used at our Experience Studio in Mumbai. The pictures above depict the condition of the product and also indicate the accessories available with the headphone. For any specific questions about the condition please get in touch with us! While the product itself is fully tested by our Headphone Gurus and the outer packaging may have suffered some damage.
Get The Best Deal
You may or may not get the original packaging or some accessories may be missing & because of the fact that they've been extensively used as a demo at the Experience Studio, we give a good discount compared to a new gear.
Unchanged Policies
Received a defective Demo unit? Return it under our 7 Day Replacement Guarantee Policy.
P.S. If you do not like your gear, unfortunately we will not be able to accept the return.
Pre-Burned In
Demo headphones save you the time of burning in new headphones. Typically, brand new headphones take up to weeks to fully break in and sound as good as they should. With demo headphones, you get to enjoy the best sound out of the box.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Demo Units or any products.
Consider It Vintage
Vintage products have a certain charm that cannot be put into words. Think of old, discontinued demo headphones as vintage. They have a story; they have, how-to-say, character.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
| BOX CONTENTS | 1. Astell&Kern AK HB1 (Demo Unit) |
| 2. USB-C To USB-C Cable | |
| 3. USB-C To Lightning Cable | |
| WARRANTY | No Warranty |
ASTELL&KERN INTRODUCE THEIR ALL-NEW BLUETOOTH DAC AND AMP - THE AK HB1
Astell&Kern's AK HB1 stands out as a portable Bluetooth DAC&Amp, providing a cable-free, high-quality audio experience and seamless Hi-Fi streaming services. By effortlessly connecting your mobile device to the Astell&Kern AK HB1 through Bluetooth, users can enjoy wireless Hi-Fi sound with a powerful built-in amplifier, accommodating various IEMs and headphones. Its compact and lightweight design adds to the convenience. Beyond Bluetooth, the AK HB1 also serves as a USB DAC, ensuring Astell&Kern's renowned sound quality. It further extends its versatility by enabling connections to gaming devices and immersive entertainment systems through microphones, transforming your mobile device into a multifunctional hub for a myriad of multimedia possibilities.



EMBEDS THE LATEST ESS DAC CHIPSET WITH A POWERFUL AMPLIFICATION STAGE
The Astell&Kern AK HB1 integrates ESS’s ES9281AC PRO DAC, ensuring superior noise control and delivering exceptional ultra-high-quality Hi-Fi sound performance. Going beyond the standard built-in DAC AMP, the AK HB1 features an exclusive AMP circuitry that achieves a robust 4Vrms output in a Balanced connection, supporting both 3.5mm unbalanced and 4.4mm balanced connectivity for versatile compatibility with a broad range of IEMs and headphones. Despite its compact dimensions (33 x 68.4 x 16.5 mm), Astell&Kern prioritise performance by incorporating micro resistors and capacitor parts, along with ultra-small tantalum capacitors to maintain stability and optimal audio circuit design. The device's output and audio performance are further enhanced by Astell&Kern's distinctive power management technology, minimising current consumption for connected devices.


ENJOY WIRELESS BLUETOOTH CONNECTIVITY WITH SUPPORT FOR MULTIPLE CODECS
The Astell&Kern AK HB1 comes equipped with Qualcomm's CSR8675 Bluetooth chipset, ensuring a reliable connection for the transmission of high-resolution audio sources. Supporting a range of codecs, including LDAC with 24-bit/96 kHz and aptX™ HD with stable 24-bit/48kHz, AK HB1 accommodates various audio preferences. With compatibility with commonly used codecs like AAC and SBC, this device ensures seamless wireless playback of high-resolution streaming audio from both smartphones and PCs. Additionally, the AK HB1 incorporates Bluetooth multi-point capability, enabling simultaneous connection with up to two devices. This functionality facilitates easy switching between different mobile devices, allowing users to enjoy music from a tablet PC while simultaneously receiving notifications and calls on their smartphone.


UNLEASH HI-RES AUDIO PLAYBACK WITH USB CONNECTIVITY AND MQA RENDERING
The Astell&Kern AK HB1 surpasses typical Bluetooth playback by offering exceptional, full high-resolution audio through its USB DAC connection to various devices, including PCs, smartphones, and tablets. With support for Native DSD256 and 32-bit/384kHz playback, AK HB1 ensures compatibility with a wide range of high-quality audio sources, delivering Astell&Kern's renowned premium sound quality. Additionally, featuring a renderer function that supports MQA 8X, AK HB1 enables MQA playback without the need for external DACs or playback devices. By connecting AK HB1 via cable to compatible devices supporting MQA unfolding, users can enjoy MQA audio playback through network-enabled apps and streaming services from any location.


EASY PLUG-AND-PLAY CONNECTIVITY WITH SUPPORT FOR UAC 1.0 & 2.0 PROTOCOLS
Astell&Kern AK HB1 streamlines the transition between Bluetooth and USB cable connections through its USB Plug & Play functionality. Users can connect AK HB1 to their PC or smart device using a USB cable for high-resolution sound while controlling settings through the app on their Bluetooth-connected smartphone. With BT Priority Mode activated, AK HB1 effortlessly switches to Bluetooth mode upon receiving a Bluetooth signal during USB DAC use. While modern devices support UAC 2.0 connections, some gaming devices rely on UAC 1.0. AK HB1 caters to both by supporting UAC 2.0 and UAC 1.0 connections, ensuring cross-platform compatibility. This allows users to connect AK HB1 to gaming devices like PlayStation and Switch, providing low latency and enhanced sound for an immersive gaming experience.


DEDICATED CAR MODE AND CRYSTAL CLEAR VOICE CALLS WITH HIGH SENSITIVITY MEMS MIC
Activate Astell&Kern AK HB1's dedicated Car Mode for a seamless high-quality DAC/AMP sound experience on the road. Connect AK HB1 to your vehicle's AUX port, and its power intuitively turns on/off based on your vehicle's ignition, allowing you to enjoy audio from paired devices effortlessly. With Knowles's high-quality MEMS microphone technology and Qualcomm's cVc Generation 8.0 call solution, AK HB1 ensures crystal-clear voice quality and stability, suppressing ambient noise for clear vocals. Additionally, the AK HB1 features a 4-pole in-line MIC for voice calls via wired earphones during USB DAC use. This enhances call quality alongside AK HB1's exceptional Hi-Fi sound. Note that the in-line MIC functionality is exclusive to USB DAC mode, while the built-in microphone handles calls during Bluetooth connections. AK HB1 supports only CTIA-compliant earphones for 4-pole configurations (OMTP-compliant products are not supported).



SMART CHARGING SYSTEM WITH LED INDICATOR AND PROPRIETARY APP FOR CONFIGURATION
Astell&Kern AK HB1 effortlessly identifies connected USB devices for playback or charging, streamlining the charging process without additional adjustments. The charging mode is adaptable, enabling simultaneous playback and charging to prevent battery depletion. Charging speed varies based on the connection; charging via USB takes about 1 hour and 30 minutes, while connected to a playback device, the charging speed adjusts, and the mode can be toggled on/off. In Charging Mode On, the HB1's battery is charged using the playback device's power, and Charging Mode Off operates solely on the AK HB1's battery. Two LED lights provide status information. The AK Control app enhances functionality, offering features like Device Priority, Volume Level, User EQ setup, Car Mode DAC Filter setting, and more for easy setup.
NOTE: If you are not able to connect AK HB1 and AK Control app on your iPhone, please refer to FAQs below.


BUNDLED WITH A HIGH-QUALITY DUAL SHIELDED CABLE FOR CLEAN AND VIVID SOUND
To achieve flawless compatibility across Android and iOS devices without extra adapters, the Astell&Kern AK HB1 incorporates an interchangeable cable that supports Type-C and Lightning connections. The dual-shielded audio cable is crafted to minimise noise, ensuring a more dynamic and authentic sound experience. The copper core wire, coated with tin for corrosion prevention and increased tensile strength, ensures robust durability. An aluminium film envelops the entire cable to block noise, with an additional layer of shielding around the power cable, effectively reducing audio interference. Addressing the crucial issue of noise in audio, the intricately woven tin-coated copper wire further diminishes interference. The audio cable is adorned with a fabric jacket over the TPE jacket, providing enhanced durability and usability with a visually appealing aesthetic.



| COLOR | Shadow Black |
| BODY MATERIAL | Polycarbonate (Body) / Aluminum (Volume Wheel) |
| OUTPUT | 3.5mm (Supports CTIA standard 4-pole earphones/headphones), 4.4mm (Only 5-pole supported) |
| MICROPHONE PASS-THROUGH | Yes |
| BLUETOOTH | Chipset : Qualcomm CSR8675 Version : 5.0 Codec : LDAC, aptX™HD, aptX™, AAC, SBC Profile : A2DP, AVRCP, HFP |
| DAC | ESS ES9281AC PRO |
| SAMPLE RATE | PCM : 8kHz ~ 384kHz (8/16/24/32bits per Sample) DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo |
| OUTPUT LEVEL | Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load) |
| INPUT | USB Type-C (Supports UAC 1.0 and UAC 2.0) |
| DIMENSIONS | 33 x 68.4 x 16.5mm (Excluding volume wheel) 39.8 x 68.4 x 16.5mm (Including volume wheel) |
| WEIGHT | About 1.41oz (40g) |
| FEATURE ENHANCEMENTS | Firmware upgrade supported |
| FREQUENCY RESPONSE | ±0.135dB (Condition : 20Hz~20kHz) Unbalanced ±0.136dB (Condition : 20Hz~20kHz) Balanced |
| S/N | 117dB @ 1kHz, Unbalanced 118dB @ 1kHz, Balanced |
| CROSSTALK | -112dB @ 1kHz, Unbalanced -112dB @ 1kHz, Balanced |
| THD+N | 0.0005% @ 1kHz, Unbalanced │ 0.0005% @ 1kHz, Balanced |
| IMD SMPTE | 0.0003% 800Hz 10kHz (4:1) Unbalanced 0.0003% 800Hz 10kHz (4:1) Balanced |
| OUTPUT IMPEDANCE | Unbalanced Out 3.5mm (2.5ohm) Balanced Out 4.4mm (2ohm) |
| CAPACITY | 600mAh 3.8V Li-Polymer |
| CHARGE TIME | About 1.5hours |
| PLAYBACK TIME | About 6hours (Standard : AAC) |
| BOX CONTENTS | 1. Astell&Kern AK HB1 (Demo Unit) |
| 2. USB-C to USB-C Cable | |
| 3. USB-C to Lightning Cable |
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 |
| DIMENSIONS | 39.6 x 83.6 x 14.6mm |
| NET QUANTITY | 1 |
| MANUFACTURER DETAILS | Name: Dreamus Company Address: 18-gil 5, Bangbaero, Seocho-Gu, Seoul, Korea 06664 |
| PACKAGE CONTENTS | Astell&Kern AK HB1 (Demo Unit) USB-C To USB-C Cable USB-C To Lightning Cable |

"In terms of Bluetooth, you get support for Multipoint, so the the HB1 can be connected to two source devices simultaneously, and there’s built-in hi-res audio codec compatibility with LDAC and aptX HD."
Read More"The AK HB1 comes with a "high-quality" microphone for clear voice calls. The DAC/amp combo comes loaded with the company's Clear Voice Capture technology which works to block out ambient noise while enhancing voice clarity."
Read More"As far as portable wireless DAC/Amps go, the HB1 offers something that the rest don’t. It’s the only device of its kind that truly feels like the experience of listening to a high-end DAP."
Read More"The functionality of the AK HB1 is not limited to portable use. You can add this to your current home audio desktop setup and integrate it as your desktop DAC to transform how you game on your PC."
Read More"The general function of HB1 as a portable DAC is excellent, and the sound quality is among the best in its class, with a clean, detailed, reference tuning that will perform well with your whole collection."
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