Full Duplex 2 In/2 Out 16-Bit 48 KHz USB  Interface/Switchable Line/Studio Grade Phantom  Powered Microphone Pre-Amps/Headphone  output/Control Room and Headphone Outputs Ultra Musical 3-Band EQ with High Pass  Filters/Auxiliary Sends /Stereo Return with Level  Control/Pan and Balance Controls/Master Output  XLR & TRS Connectors/8 x XLR input/12 x 6.3mm  line input/3-band EQ/Insert points/2 x 6.3mm  outputs/2 x XLR balanced outputs/USB Interface/16 x internal FX