Eliminate the noise when there is no input signal,and automatically mute when the non-audio signal input.
Support volume adjustment and bass adjustment.
Support optical fiber and coaxial input,RCA and 3.5mm out
Support Audio Format PCM/LPCM,192kHz 24bit sampling rate.
NOTE: Before powering on, turn the adjustment knob to reduce volume and avoid hearing damage and set the audio output channel of your source devices to SPDIF and the output audio format to PCM/LPCM.