$1,199 $3,599
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  • Powerful headphone amplifier with digital audio player capabilities
  • Four step Gain Level that drives high impedance headphones with a 15Vrms output or below
  • 3.5mm, 6.35mm unbalanced, and 2.5mm 4.4mm balanced headphone output to handle a wide variety of headphones
  • An array of digital/analogue inputs and outputs ensures it can at the heart of any hi-fi set-up
  • Onboard ESS ES9068AS Quad-DAC delivers a clear, detailed and balanced sound
  • Supports high-resolution audio playback up native DSD512 and 32bit/384 kHz
  • Crossfeed reduces listening fatigue by creating a more natural sound akin to listening to speakers
  • Boasts Astell&Kern’s patented TERATON ALPHA Sound Solution technology
  • A 4.1-inch, 720 x 1280px touchscreen tilts up to 60 degrees for easy control
  • Support for Bluetooth® 5.0 provides greater range and a more stable wireless connection
  • Support for 24-bit aptX™ HD and LDAC codecs, offers the best possible wireless sound quality
  • Built-in battery provides up to 10.5 hours playback

Body Colour

Moon Silver

Body Material



4.1-inch, 720 x 1280px touch screen

Supported Audio Formats


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), DSD512(1bit, 22.4MHz) Stereo

Output Level

Low - Unbalanced 2Vrms / Balanced 4Vrms (Condition No Load)

Mid - Unbalanced 4Vrms / Balanced 8Vrms (Condition No Load)
High - Unbalanced 6Vrms / Balanced 12Vrms (Condition No Load)
Super - Unbalanced 8Vrms / Balanced 15Vrms (Condition No Load)
RCA Out 2Vrms (Condition No Load)
CPU Quad-core
DAC ESS ES9068AS x4 (Quad-DAC)
Decoding Support up to 32bit / 384kHz Bit to Bit playback
Headphone Outputs Unbalanced (3.5mm, 6.35mm)
Balanced (2.5mm, 4.4mm)
Analogue Inputs RCA (Stereo pair)
Analog Outputs RCA (Stereo pair)
Digital Inputs Coaxial
Digital Outputs Optical(3.5mm)
Wi-Fi 802.11 a/b/g/n/ac (2.4/5GHz)
Bluetooth V5.0 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC)
Dimensions 4.12"(104.9mm)W x 1.77"(45mm)H x 5.85"(148.8mm)D
Weight about 919g (32.41oz)
Feature Enhancements Firmware upgrade supported (OTA)
Audio specifications
Frequency Response ±0.024dB (Condition : 20Hz~20kHz) Unbalanced / ±0.018dB (Condition : 20Hz~20kHz) Balanced / ±0.048dB (Condition : 20Hz~20kHz) RCA
±0.059dB (Condition : 20Hz~70kHz) Unbalanced / ±0.056dB (Condition : 20Hz~70kHz) Balanced / ±0.048dB (Condition : 20Hz~70kHz) RCA
S/N 107dB @ 1kHz, Unbalanced | 115dB @ 1kHz, Balanced | 119dB @ 1kHz, RCA
Crosstalk -105dB @ 1kHz, Unbalanced | -124dB @ 1kHz, Balanced | -121dB @ 1kHz, RCA
THD+N 0.005% @ 1kHz, Unbalanced | 0.002% @ 1kHz, Balanced | 0.0004% @ 1kHz, RCA
IMD SMPTE 0.0008% 800Hz 10kHz (4:1) Unbalanced | 0.0004% 800Hz 10kHz (4:1) Balanced | 0.0003% 800Hz 10kHz (4:1) RCA
Output Impedance 3.5mm, 6.35mm (1ohm), 2.5mm, 4.4mm (2ohm), RCA (2ohm)
Clock Jitter 25ps (Typ)
Reference Clock Jitter 70ps
Built-in Memory 256GB NAND
External Memory microSD x1 (Max. 1TB)
Battery Capacity 8,400mAh 3.8V Li-Polymer
Charge Time about 2.5hours (9V / 3A PD2.0 Fast Charging) | 7hours (5V 2A General Charging)
Playback Time about 10.5hours (Standard: FLAC, 16bit, 44.1kHz, Unbalanced, Vol.40, LCD Off, Low Gain)

Supported OS

Windows 7, 8, 10 (32/64bit)

MAC OS X 10.7 and above
  • ACRO CA1000
  • Protective Film
  • USB Type-C Cable
  • Quick Start Guide
  • Warranty Card

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