24 channel balanced input 8 group channel, 2 stereo channel and one mono channel output 3-channel EQ with English characteristic, the mid-frequency can be chose the frequency There are two groups of accessorial signal output and two effect signal return channel Each input channel with its own built-in signal input port (insert) 48V high quality phantom power supply Manage the signal can add the generatrix solely for your need With a record outputFunctions: Microphone ETN: -60dB Stereo input: 40dB Accessorial signal output: 20dB Effect signal return: 20dB S.N.R: +/-15dB/10kHz Output power: +/-15dB/250Hz - 6kHz Power supply: +/-15dB/60Hz Packaging dimensions (L x H x W) (mm): 1,430 x 265 x 770 1) 24 channel balanced input 2) 8 group channel, 2 stereo channel and one mono channel output 3) 3-channel EQ with English characteristic, the mid-frequency can be chose the frequency 4) There are two groups of accessorial signal output and two effect signal return channel 5) Each input channel with its own built-in signal input port (insert) 6) 48V high quality phantom power supply 7) Manage the signal can add the generatrix solely for your need 8) With a record outputFunctions: Microphone ETN: -60dB 1) Stereo input: 40dB 2) Accessorial signal output: 20dB 3) Effect signal return: 20dB 4) S.N.R: +/-15dB/10kHz 5) Output power: +/-15dB/250Hz - 6kHz 6) Power supply: +/-15dB/60Hz Packaging: Dimensions (L x H x W) (mm): 1,430 x 265 x 770