Feature 4 Channel Mono / Mic Line Indicator LED Each Channel 3 Band EQ Gain Control 2 Aux (1 aux send + 1 Aux Effect) 7 Band Stereo Graphic Equalizer With Effect to Aux 1 Funtions Digital Multi Effect Reverb 24bit 380dsp Digital display Mp3 Interface,Usb,recording,bluetooth Headphone Monitor Gain Control Phantom Power Each Channel For Condenser Mic Mute, PFL Each Channel Material: Iron Plate Gross Weight: 3.41kg/pcs Nett Weight: 2.60kg/pcs Product Size: 29,3*43,5*9cm Packing: Color Box Packing Size:35,5*52*16cm/pcs