Astell&Kern HC5 (Like New)

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. General Specifications 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) Audio Specifications 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)