Astell&Kern's fourth headphone amplifier with USB DAC, the AK HC4 is a refined product that has been designed to provide high-resolution sound from any computer or mobile device. Thus, it incorporates an AKM AK4493S D/A conversion “chip” compatible with DSD files up to DSD256 and PCM up to 32 bits/384 kHz.
In addition, it has been further enhanced with superior noise control, a lower power consumption design and ultra-precise amplification technology, resulting in exceptional quality Hi-Fi sound.
As far as connectivity is concerned, the AK HC4 has Dual Outputs with 3.5 mm and 4.4 mm connectors that allow it to be used with most headphones available on the market without the need for additional adapters or cables.
Details such as the use of discrete (rather than integrated) microcapacitors and microresistors and the presence of the exclusive “Digital Audio Remaster” (DAR) technology, used until now only on the brand's portable players and that empowers it to resample the sampling frequency of any original content.
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