audio-sound @ hatena

An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.


AUDIRECT BEAM4: High-End Portable HiFi Decoding and Headphone Amplifier

The AUDIRECT BEAM4 is a portable digital decoding headphone amplifier that supports DSD up to 512 and PCM up to 32-BIT/768kHz. It features both single-ended and balanced headphone output ports, three levels of adjustable gain, and a batter…