1 group of main channel output, 1 group of auxiliary channel output and return interfaceIndependent Recording Output and Listening PortLow noise, high precision microphone preamplifier, perfect sound qualityTwo marshalling buses (with main channel selective output)The audio effector is composed of 256 kinds of DSP effects. It has a realistic sound field and is displayed by a high brightness blue digital tube.Stereo graphic equalizer with 7 segmentsBalanced Microphone XLR Input and Balanced Line TRS Input, 3-Section Channel Equilibrium60 mm push, feel lubricated and durableIndependent PFL switch can monitor channel input, recording input signal, reverberation and main reverberation.Headphone monitor interfaceMP3 Playback Module (USB Interface with Display Function)Precise Logarithmic Double 10-Bit LED Level Display