Model HP-A4 is a new, improved version of the acclaimed HP-A3. It offers up to DSD 5.6MHz and PCM 192kHz for superior audio playback functionality as well as the sophisticated and class-leading appearance of the flagship HP-A8C.
USB buss powered operation without AC adapter
Linear PCM audio up to 24bit/192kHz and DSD audio up to 5.6MHz playback*
Quick and easy hi-resolution playback in combination with "FOSTEX Audio Player" software
HI/LO Gain selection (10dB) for wider range of headphones
Asynchronous transfer mode by using the custom made crystal