Pre-amplifier,10 channels input(chime inside)
With 10 input channels, each channel can be adjust independently.
MIC 1 has priority function, built-in chime function.
With 5 MICs, 3 AUX input , 3 line output,and 2 EMC inputs.
With independent volume control, uniform volme output.
Has one treble, one bass.
POWER SUPPLY: 230V