From the seller:

Professionally maintained and teched prior to shipment. Dual channel microphone preamp with four-band parametric EQ and high pass filter per channel Switchable insert send/return on each channel Input/output level control Switchable panpot on each output 48V phantom power and phase reverse switch per channel "Daisy Chain" capability for creating mini-consoles EQ bypass switches on each channel Dip switches to assign to external console mute groups Ten-segment LED metering