BASS BOOST: on/ off,
GAIN knob: low/high
2.5mm balanced socket
Volume control knob
USB 1.0/2.0 selection button
1. USB AUDIO 1.0 does not require a driver and support up to 96k/24bit.
2. USB AUDIO 2.0 – lastest DAC Driver v4.47.0 supports up to 384k/32bit and DSD256
USB C socket
COAX out – supporting up to 192k/24bit and DSD64 DOP
OPT out – support up to 96k/24bit.