This series of DJ mixers features innovative design, optimum layout. Its features of unique BPM display, controls of comfortable feeling with rubber capsule, simple and reliable operation, are all revolving around its practical considerate design,enlarging operating ease and precision Built-in low leakage magnetic flux power supply, standard 19” rack design, makes it easier for portability and setting-up. Product Description 13 inputs on 4 channels (7line, 3phones, 1micro, 2USB) 2 Bidirectional USB connections (play and record at the same time!) Completely redesigned for superior sound quality and very low noise 1 separate balanced DJ micro with talkover Gain, high, mid, low controls with -26dB kill function on all channels Assignable and easy replaceable VCA-crossfader Voltage controlled crossfader with adaptable fader curve User replaceable easy gliding steel rail DJ faders 2 Master outputs (Master1 with b