Line Gain/Volume Control Range: -∞ to 0 dB, +4 dBu nominal, +10 dBu for max output
Mic/Inst. Gain/Volume Control Range: -∞ to +50 dB
USB Charging Port: 5V 2.1A
Controls: Power switch, (2) gain control knobs (1 per input), (2) Mic/Line switches, Bluetooth volume control encoder, Pairing button, Stereo Link button, Sub Size button, Speaker Use button
Indicators:(1) Input Channel Signal/Limit/Clip LED (Green = Ch1/2 Signal) (Yellow = Ch1/2 Limiter) (Red = Ch1/2 Output Clipped), (1) Bluetooth LED (Blue), (1) Link LED (Orange), (4) DSP Presets LED (Green), (3) HPF LED (Green)