4 Channel, 17 input Professional Quality DJ Mixer Overview - Our range of professional DJ mixers are filled with features as standard such as USB and AUX connectivity, multiple microphone & RCA inputs, gain/volume/fade/hotswap control and much more. They are compact, durable and built to an excellent standard. A full list of features can be found below. Key Features: Ground screw grounding point for turntables CD/PHONO switches switch between CD and PHONO level for CH.2 & 3 PHONO inputs MIC 4 input 6.35mm jack microphone input for CH.4 MIC 3 input 6.35mm jack microphone input for CH.3 Mains inlet IEC connection and fuse holder CH.4 & CH.3 USB type B connectors to PC/Mac Balanced outputs left & right XLR master outputs Unbalanced outputs left & right RCA master outputs BOOTH outputs unbalanced left & right RCA booth outputs SEND outputs Aux loop send outputs (L+R RCA) RETURN inputs Aux loop return inputs (L+R RCA) CD input CH.4 CD input for CH.4 (L+R RCA) LINE input CH.4 line input