* 8 mono input* 7 band equalizer* 60mm fader* 1 built-in effect send* 1 Auxiliary output, 1 return* EQ balanced for 3 segments per channel* Built-in to provide DC 50V phantom power* Built-in high quality USB player* Bluetooth monitor•Total harmonic distortion:less than 0.1%•Frequency response:20Hz-20KHz, +1dB-3dB•Input and output impedance: Microphone input:2.4KO Line Input:11KO Stereo input:100KO Main output impedance:75O Group impedance:75O AUX output impedance:75O•EQ(mono input)High frequency:10KHz±15dBIntermediate frequency:2.5Hz±15dBLow frequency:100Hz±15dB•Working conditions: Temperature range:-10¿~+45¿•Power supply:AC 220V 50/60Hz•Power consumption:25W