Astell&Kern HB1

The Astell&Kern HB1 is a portable Bluetooth DAC and amplifier that lets you experience Hi-Fi audio and streaming services wirelessly, connecting to your phone or source device via Bluetooth and outputting to any IEM or headphone through its 3.5mm and 4.4mm outputs for a clean, cable-free upgrade to any listening setup.

Type and Technology

Portable Bluetooth DAC and amplifier. Bluetooth with aptX HD, aptX, AAC, and SBC codec support. 3.5mm single-ended and 4.4mm Pentaconn balanced headphone outputs. USB-C for wired connection to a source device (bypassing Bluetooth). Compact form factor designed for clipping to clothing or using as a desktop dongle. Rechargeable via USB-C.

Sound Character

Clean and natural with Astell&Kern's characteristic attention to analog output quality. The HB1 delivers a meaningful improvement over typical phone headphone outputs whether via Bluetooth or wired USB-C connection, with the 4.4mm balanced output providing additional separation and drive capability for balanced-cable equipped headphones.

Build and Finish

Compact clip-on design for convenient portable use. Available in Misty Mint and Mystic Red.

Best For

Music lovers who want Hi-Fi wireless audio from their phone without switching to a full DAP, a clean, versatile Bluetooth DAC/amp upgrade for IEMs and headphones.

What's in the Box

• Astell&Kern HB1
• USB-C cable
• Documentation

Specifications