


















Astell&Kern - AK XB10
Portable Bluetooth DAC & Amp
Unfortunately, even if we desire to, we won't be able to resurrect this product. The Museum is where we pay our respects to end-of-life, old, archived, but not forgotten products. This page was made with a lot of love and will live on for posterity. What to say, we're sentimental people. 😔
While this product is gone forever, here are others we recommend
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
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.
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.
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.
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.
For an Audiophile looking to listen to music on the go with the convenience of their mobile phones, this is a priceless DAC. For me, the 2.5mm balanced output connectivity, makes this an audiophile essential that is a must-have in your collection.

About RAGHAV SOMANI
Raghav Somani is the Founder & CEO of Headphone Zone. An avid audiophile and musician since 2008, his choice of headphones include STAX Electrostats, Audeze LCD 3, and for music on the go, the JH Audio Roxanne + Astell&Kern SP1000 is never too far away. On his playlist, you'll find A.R. Rahman, Michael Jackson, and the Eagles.
DESCRIPTION
A DEDICATED DAC/AMP THAT OFFERS DUAL AUDIO OUTPUTS
The XB10 features a dedicated DAC that has been tuned using Astell&Kern's latest technologies. The amplifier drives just about any headphone while amplifying even the minutest of details. A standard-sized 3.5mm jack provides connectivity to maximum devices. The 2.5mm jack, on the other hand, is for those audio enthusiasts who are looking to enjoy a deeper level of sound. It eliminates ground noise and provides a balanced connection resulting in increased output.

STREAM HIGH-RESOLUTION AUDIO WIRELESSLY
The Astell&Kern XB10 is very flexible in terms of connectivity. It supports SBC, aptX™ and aptX™ HD codecs for Android devices and the AAC codec for iOS. Just turn on your smartphone, tablet or laptop's Bluetooth and you're good to go. Qualcomm aptX™ HD technology is capable of transmitting up to 24-bit/48 kHz audio that is faithful to the original audio file.




ANSWER OR DECLINE CALLS WITHOUT REACHING FOR YOUR PHONE
The XB10 is a game-changer providing solutions to all your problems. Along with high-quality music, it also lets you answer calls without having to access your phone. Answering/Declining calls just requires the tap of a button while the inbuilt mic makes for crystal-clear calls.




ULTRA-POTABLE DESIGN ALLOWING YOU TO CARRY IT ANYWHERE
The XB10's design mimics the appearance of the scattering of light from a star. The surface is split into quadrants for easier operability. It is extremely lightweight and portable. Want to carry your music along? Simply clip the device to your shirt or bag and run along. The clip keeps your hands free and lets you flaunt Astell&Kern's classy light and shadow design.





SPECS
CODEC | SBC,AAC aptX, aptX HD |
PORT | 2.5 Balanced/3.5 Unbalanced |
OUTPUT LEVEL | 2.5 Balanced : 1.8 Vrms/3.5 Unbalanced : 0.9 Vrms |
FREQUENCY BAND | 2.4 - 2.4835 GHz ISM Band |
BT VERSION | BT 4.1, Class2 |
BT PROFILE | A2DP (multi), AVRCP, HFP,HSP |
RANGE | Maximum Of 10 Meters |
BATTERY TYPE | 350mAh 3.7V lithium polymer rechargeable battery |
HOURS OF OPERATIONS | Approximately 5 hours for music playing and phone calls |
STANDBY TIME | Upto 300 hrs |
CHARGING TIME | Approximately 2 hours |
CHARGING METHOD | Micro USB 5Pin (charging 5V 2A) |
BATTERY LIFE | 5 hours |
WIFI | 2.4 - 2.4835 GHz ISM Band |
DAC | Cirrus Logic CS4350 DAC & Qualcomm CSR8675 BT |
DIMENSIONS | 1.97 ”(50 mm) [W] x 1.97 ”(50 mm) [H] x 0.48 ”(12.3 mm) [D] |
WEIGHT | 23 G |
BOX CONTENTS |
1. Astell&Kern AK XB10
|
2. Micro USB Cable | |
3. Detachable Clip | |
4. Quick Start Guide | |
5. Warranty Card |
![]() Portable Bluetooth DAC & Amp
|
A DEDICATED DAC/AMP THAT OFFERS DUAL AUDIO OUTPUTS
The XB10 features a dedicated DAC that has been tuned using Astell&Kern's latest technologies. The amplifier drives just about any headphone while amplifying even the minutest of details. A standard-sized 3.5mm jack provides connectivity to maximum devices. The 2.5mm jack, on the other hand, is for those audio enthusiasts who are looking to enjoy a deeper level of sound. It eliminates ground noise and provides a balanced connection resulting in increased output.

STREAM HIGH-RESOLUTION AUDIO WIRELESSLY
The Astell&Kern XB10 is very flexible in terms of connectivity. It supports SBC, aptX™ and aptX™ HD codecs for Android devices and the AAC codec for iOS. Just turn on your smartphone, tablet or laptop's Bluetooth and you're good to go. Qualcomm aptX™ HD technology is capable of transmitting up to 24-bit/48 kHz audio that is faithful to the original audio file.




ANSWER OR DECLINE CALLS WITHOUT REACHING FOR YOUR PHONE
The XB10 is a game-changer providing solutions to all your problems. Along with high-quality music, it also lets you answer calls without having to access your phone. Answering/Declining calls just requires the tap of a button while the inbuilt mic makes for crystal-clear calls.




ULTRA-POTABLE DESIGN ALLOWING YOU TO CARRY IT ANYWHERE
The XB10's design mimics the appearance of the scattering of light from a star. The surface is split into quadrants for easier operability. It is extremely lightweight and portable. Want to carry your music along? Simply clip the device to your shirt or bag and run along. The clip keeps your hands free and lets you flaunt Astell&Kern's classy light and shadow design.





CODEC | SBC,AAC aptX, aptX HD |
PORT | 2.5 Balanced/3.5 Unbalanced |
OUTPUT LEVEL | 2.5 Balanced : 1.8 Vrms/3.5 Unbalanced : 0.9 Vrms |
FREQUENCY BAND | 2.4 - 2.4835 GHz ISM Band |
BT VERSION | BT 4.1, Class2 |
BT PROFILE | A2DP (multi), AVRCP, HFP,HSP |
RANGE | Maximum Of 10 Meters |
BATTERY TYPE | 350mAh 3.7V lithium polymer rechargeable battery |
HOURS OF OPERATIONS | Approximately 5 hours for music playing and phone calls |
STANDBY TIME | Upto 300 hrs |
CHARGING TIME | Approximately 2 hours |
CHARGING METHOD | Micro USB 5Pin (charging 5V 2A) |
BATTERY LIFE | 5 hours |
WIFI | 2.4 - 2.4835 GHz ISM Band |
DAC | Cirrus Logic CS4350 DAC & Qualcomm CSR8675 BT |
DIMENSIONS | 1.97 ”(50 mm) [W] x 1.97 ”(50 mm) [H] x 0.48 ”(12.3 mm) [D] |
WEIGHT | 23 G |
BOX CONTENTS |
1. Astell&Kern AK XB10
|
2. Micro USB Cable | |
3. Detachable Clip | |
4. Quick Start Guide | |
5. Warranty Card |
![]() Portable Bluetooth DAC & Amp
|
Don't sweat it, this
Astell&Kern - AK XB10 comes with a 1 Year warranty
from Astell&Kern that covers manufacturing defects.
All products featured on Headphone Zone are backed by an original manufacturer's warranty.
Read more about Astell&Kern's warranty in India.


PRODUCT DESIGN WINNER
Reddot Design
Apr, 2017

PRODUCT DESIGN AWARD
iF Design
Jan, 2017

HEADFONIA
AWARD
Headfonia
Dec, 2016

WIRELESS ACCESSORIES
CES
Nov, 2016
"All things considered, the XB10 is impressive. Connection distances with wireless-loving devices are good. Haptics are good. Battery life is decent."
Read More"This impressive bite-size Bluetooth amp delivers excellent sound quality, decent battery life and plenty of useful features."
Read More"This little device can transform your favorite wired headphones wireless and capable of high-resolution audio streaming thanks to its aptX HD support."
Read More"If sound quality is something that really matters to you and you only want the very best from your smartphone, the XB10 is an incredibly worthwhile upgrade."
Read More“With gorgeous sound in an ultra-portable package, Astell & Kern’s XB10 Bluetooth amp is the best way to make your wired headphones wireless.”
Read More" If you need something to walk around with that is exclusively designed as a Bluetooth device, I can confidently say that you won’t find anything smaller or better in quality than the AK XB10."
Read MoreHave a question? Get in touch!
Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

What DAC chip is incorporated in Astell&Kern AK XB10?
What is the battery life like?
What is the output power like?
What is the Bluetooth version?
What are the various Bluetooth codecs supported?
What are the benefits of using 2.5mm balanced connection?
What chipset is used for Bluetooth transmission?
Can you answer or reject calls?
