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Astell & Kern HB1 Wireless Portable DAC AMP


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  • 3.5-mm and 4.4-mm Dual Output
  • Interchangeable Cables
  • Supports LDAC and aptX™HD
  • AK-HB1
Astell & Kern HB1 Wireless Portable DAC AMP Experience the Freedom of Music AK HB1 is a... more
Product information "Astell & Kern HB1 Wireless Portable DAC AMP"

Astell & Kern HB1 Wireless Portable DAC AMP

Experience the Freedom of Music

AK HB1 is a portable Bluetooth DAC/AMP that lets you effortlessly experience high-quality audio and Hi-Fi streaming services with
the best performance, all without the hassle of cables.

Pair your mobile device to AK HB1 through Bluetooth and experience seamless, wireless Hi-Fi sound across various IEMs and headphones,
all facilitated by its compact, lightweight design and powerful built-in amplifier.
In addition to this, AK HB1 also delivers Astell&Kern's pristine sound quality via USB DAC functionality. It offers a seamless connection to gaming devices and immersive entertainment using microphones, transforming your mobile device into a hub of endless multimedia possibilities.

The AK HB1 embodies Astell&Kern's design philosophy with inspiration from the architectural masterpiece "Church of Light" by Tadao Ando, known for its interplay of light and shadow.
Intuitively designed with a comfortable grip, the size and placement of the wheel ensure effortless volume control.

  • 3.5-mm and 4.4-mm Dual Output
  • Supports LDAC and aptX™HD for High-quality Bluetooth Sound
  • Features ESS ES9281AC PRO DAC
  • Separate DAC and AMP for a Premium Hi-Fi Experience
  • Plug & Play USB DAC Function
  • Interchangeable Cable (Type-C and Lightning Cable Included)
  • Supports UAC 1.0 (Gaming System)
  • Clear and Vivid Voice in Calls
  • Car Mode Supported
  • Multi-point Connection (Up To Two Devices)
  • MQA Renderer

USB Plug & Play

AK HB1 simplifies Bluetooth and USB cable connections with USB Plug & Play. Connect it to your PC or smart device via USB for high-res sound and app control from your Bluetooth-connected smartphone. BT Priority Mode seamlessly switches to Bluetooth when a signal is received during USB DAC use.

High Compatibility and UAC Support for Gaming

Modern devices support UAC 2.0, while many gaming devices use UAC 1.0. AK HB1 bridges the gap, supporting both for cross-platform sound. Connect to gaming devices like PlayStation and Switch for low-latency, enhanced gaming sound.

Seamless Car Audio with Car Mode

Activate AK HB1's Car Mode for high-quality DAC/AMP sound in your vehicle. Simply connect it to the AUX port; power auto-adjusts with your vehicle's ignition, letting you enjoy audio from paired devices.

Crystal-Clear Voice Calls with MEMS MIC

AK HB1 delivers clear voice calls thanks to Knowles's MEMS microphone tech and Qualcomm's cVc Generation 8.0. It suppresses noise and offers an in-line MIC for wired earphones, enhancing call quality alongside Hi-Fi sound.

Smart Charging System

AK HB1 automatically recognizes connected devices via USB, streamlining charging for playback or charging devices. The charging mode can be switched to prevent battery depletion during playback.


  • Model: AK HB1
  • Body Color: Shadow Black
  • Body Material: Polycarbonate (Body) / Aluminum (Volume Wheel)
  • Bluetooth Chipset: Qualcomm CSR8675
  • Bluetooth Version: 5.0
  • Supported Codecs: LDAC, aptX™HD, aptX™, AAC, SBC
  • Bluetooth Profiles: A2DP, AVRCP, HFP
  • Sample Rate:
    • PCM: 8kHz ~ 384kHz (8/16/24/32 bits 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)
  • Output: 3.5mm (Supports CTIA standard 4-pole earphones/headphones), 4.4mm (Only 5-pole supported)
  • Dimensions:
    • Without Volume Wheel: 33 x 68.4 x 16.5mm
    • With Volume Wheel: 39.8 x 68.4 x 16.5mm
  • Weight: About 40g
  • Feature Enhancements: Firmware upgrade supported

Audio Specifications:

  • Frequency Response:
    • Unbalanced: ±0.135dB (Condition: 20Hz~20kHz)
    • Balanced: ±0.136dB (Condition: 20Hz~20kHz)
  • Signal-to-Noise Ratio (S/N):
    • Unbalanced: 117dB @ 1kHz
    • Balanced: 118dB @ 1kHz
  • Crosstalk:
    • Unbalanced: -112dB @ 1kHz
    • Balanced: -112dB @ 1kHz
  • Total Harmonic Distortion plus Noise (THD+N):
    • Unbalanced: 0.0005% @ 1kHz
    • Balanced: 0.0005% @ 1kHz
  • Intermodulation Distortion (IMD SMPTE):
    • Unbalanced: 0.0003% 800Hz 10kHz (4:1)
    • Balanced: 0.0003% 800Hz 10kHz (4:1)
  • Output Impedance:
    • Unbalanced Out 3.5mm: 2.5ohm
    • Balanced Out 4.4mm: 2ohm


  • Capacity: 600mAh 3.8V Li-Polymer
  • Charge Time: About 1.5 hours
  • Playback Time: About 6 hours (Standard: AAC)
Colour: Black
Portable: Yes
Connectivity: Bluetooth, Wired
Product Type: Amplifier, DAC, Headphone Amplifier
Bluetooth: Yes
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