Designed in
Korea
1 Year of
Warranty
Ideal for
Audiophiles
Best Suited for
Portable Use
Ideal for
Taking Calls
Bluetooth with
aptX HD & AAC
5 Hours of
Battery Life
2.5mm
Balanced Output
Multi-point
Connection
Cirrus Logic CS4350
DAC Chip
Upto 1.8Vrms
Power Output
Battery Capacity of
350 mAh

RAGHAV SOMANI
Headphone Guru
DESCRIPTION
A PORTABLE 24 BIT DAC/AMP THAT OFFERS 2 AUDIO OUTPUTS
The XB10 features a dedicated DAC that has been tuned using Astell&Kern’s latest technologies and offers high-quality sound up to 24-bit/192 kHz. 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-QUALITY AUDIO WITH BLUETOOTH CONNECTIVITY
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.




EMBEDDED WITH A MICROPHONE AND IN LINE CONTROLS
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.




EASY TO CARRY LIGHTWEIGHT AND PORTABLE DESIGN
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) |
| BATTEEY LIFE | 5 hours |
| 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. AK XB10 Device |
| 2. Micro USB Cable | |
| 3. Detachable Clip | |
| 4. Quick Start Guide | |
| 5. Warranty Card |
COMPARISONS
Astell&Kern – AK XB10 ₹ 5,999/- ₹ 14,999/-
| Shanling – UP2 ₹ 5,999/- ₹ 7,999/-
| FiiO – BTR3K ₹ 6,999/- ₹ 7,490/-
| FiiO – BTR5 ₹ 8,990/- ₹ 9,990/-
| |
| Warranty | ||||
| Ideal For | Smartphone | Smartphone | Smartphone & Desktop | Smartphone & Desktop |
| Weight | 23g | 26g | 23.5g | 43.7g |
| DAC Chip | Cirrus Logic CS4350 | ESS Sabre ES9218P | Dual AK4377A | ESS SABRE ES9218P |
| Sample Rate | 24-bit/48 kHz | 24bit/96kHz | 48kHz/16bit | 384kHz/32bit |
| Inbuilt Battery | ||||
| Battery Life | 5 Hours | 11 Hours | 11 Hours | 9 Hours |
| Balanced Outputs | ||||
| Outputs | 2.5mm & 3.5mm | 3.5mm | 2.5mm & 3.5mm | 2.5mm & 3.5mm |
| Digital Inputs | USB Type-C | USB Type-C | USB Type-C | |
| Output level | 67mW@32 Ohms | PO About 25mW(32Ω Loaded) PO About 50mW(16Ω Loaded) BAL About 78mW(32Ω Loaded) BAL About 40mW(16Ω Loaded) | PO About 80mW(32Ω Loaded) PO About 90mW(16Ω Loaded) BAL About 240mW(32Ω Loaded) BAL About 240mW(16Ω Loaded) | |
| Signal to Noise Ratio | 116dB | PO≥119dB (32Ω A-Weighted) BAL≥122dB(32Ω A-Weighted) | PO≥118dB (32Ω A-Weighted) BAL≥122dB(32Ω A-Weighted) | |
| Bluetooth Version | V4.1 | V5.0 | V5.0 | V5.0 |
| Bluetooth Codecs | aptX HD, aptX, AAC & SBC | LDAC, LHDC, aptX HD,AAC & SBC | AAC, SBC, aptX, aptX LL, aptX HD, and LDAC | AAC, SBC, aptX, aptX LL, aptX HD, and LDAC |
| MQA Support | ||||
| Volume Control | ||||
| Expert Verdict | “This little device can transform your favorite wired headphones wireless and capable of high-resolution audio streaming thanks to its aptX HD support.” Tech Hive | “UP2 is lovely. It’s a smart answer to the search for a small and portable Bluetooth source. Size does not always matter, the UP2 is diminutive in size, yet its a compelling device for audiophiles.” Soundphile | “The trick with FiiO BTR3K is that it is affordable, mini-sized, and most probable to be paired with a Chifi IEM, all of which are known for their fairly strong treble and bright signatures.” Headfonia | “The FiiO BTR5 is the best Bluetooth receiver I have tried up to date, it offers pretty much everything I imagined on a 2020 Bluetooth device.” Headfonics |
FAQs
DOWNLOADS
Warranty & Media Reviews
1 Year Warranty
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.”
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“This impressive bite-size Bluetooth amp delivers excellent sound quality, decent battery life and plenty of useful features.”
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“This little device can transform your favorite wired headphones wireless and capable of high-resolution audio streaming thanks to its aptX HD support.”
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“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.”
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“With gorgeous sound in an ultra-portable package, Astell & Kern’s XB10 Bluetooth amp is the best way to make your wired headphones wireless.”
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” 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.”
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