The Numark M4 is a three-channel mixer which has been designed for the DJ, who needs maximum flexibility. This mixer firstly features a crossfader that has slope and reverse controls to cater for the scratch DJ. Also, the fader is replaceable.The M4 has an impressive selection of inputs with two switchable phono/line inputs in addition to four dedicated line inputs giving you a total of six inputs. The mixer also has record and master outputs and steep three-band EQ with rotary kills on each channel. Another great feature is the 1/4 microphone input that also has a dedicated EQ to make this a very versatile mixer.The M4 versatility with the inputs, features and all the controls turn a problem for a regular mixer into a simple plug-in so that you won\'t get stuck without enough inputs you need for your next gig