USB Interface Connected To PC With Soundcard FeatureChannel: 8 Mono / Mic Line4 Band EQ Gain Control7 Band Stereo Graphic Equalizer24bit Digital Multi Effect Reverb 199dsp edit a edit B WithSend to Aux 1&22 Group Output3 Aux (2 aux send + 1 aux / effect)Headphone & Monitor Output With ControlDigital Display Mp3, usb Interface, Bluetooth, Recording ...