Created to achieve perfect sound, AK HC5 sets a new standard for USB DAC cables. The AK HC5 embodies Astell&Kern’s audio philosophy and precise engineering in a compact form, delivering a level of perfection beyond its predecessors. Equipped with a flagship-grade DAC and optimized power control, it delivers flawless sound performance unmatched by any other USB DAC.
- AK4191EQ + AK4499EX
- Constant High Driving, DAR (Digital Audio Remaster) Support
- 1.62" OLED Display
- 150-step Volume Control
- Dual Noise-Shielded Cable
- Roon Tested (Certification in progress)

DESIGN
‘Solid Flow - The Harmony of Solidity and Flexibility’
The design concept of the AK HC5 is “Solid Flow.” “Solid” represents Astell&Kern’s unwavering commitment to powerful, high-fidelity sound performance, while “Flow” embodies the elegant curves and smooth usability that enhance everyday convenience.
By merging these two contrasting ideals, the AK HC5 expresses Astell&Kern’s harmony of strength and fluidity, a design that feels both dynamic and refined when held in the hand.
-
Model
AK HC5
-
Body Color
Satin Silver
-
Body Material
Aluminum
-
DAC
AKM AK4191EQ + AK4499EX
-
Sample rate
PCM : 8kHz ~ 768kHz (8/16/24/32bits per Sample)
DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo / DSD256(1bit 11.2MHz), Stereo / DSD512(1bit 22.4MHz) Stereo -
Output Level
Unbalanced 2.5Vrms / Balanced 5Vrms (Condition No Load)
-
Input
USB Type-C (Supports UAC 2.0 and UAC 1.0)
-
Output
3.5mm (Unbalanced), 4.4mm (Balanced, Only 5-pole supported)
-
Dimensions
32mm[W] x 64.3mm[H] x 16mm[D]
-
Weight
About 1.62oz (46g)
-
Frequency Response
±0.006dB (Condition : 20Hz~20kHz) Unbalanced, Balanced │ ±0.06dB (Condition : 20Hz~70kHz) Unbalanced, Balanced
-
Signal to Noise Ratio
121dB @ 1kHz, Unbalanced │ 125dB @ 1kHz, Balanced
-
Crosstalk
-139dB @ 1kHz, Unbalanced │ -141dB @ 1kHz, Balanced
-
THD+N
0.0005% @ 1kHz, Unbalanced │ 0.0004% @ 1kHz, Balanced
-
IMD SMPTE
0.0006% 800Hz 10kHz (4:1) Unbalanced │ 0.0005% 800Hz 10kHz (4:1) Balanced
-
Output Impedance
Unbalanced Out 3.5mm (0.5ohm) │ Balanced Out 4.4mm(1.1ohm)