Pioneer offers DJs of all levels the ability to create a wide spectrum of music and mixing arrangements with the introduction of its new DJM-750 4-channel digital DJ mixer. Offering superior sound quality and a professional control layout, the feature rich DJM-750 includes a built-in high performance USB sound card and the industry"s first1 Boost Color FX feature, which enables users to change the intensity of various effects with the rotation of the built-in effects knob. Additional Features Professional inputs and output connections including Digita Master Output, XLR, Send/Return ports Information from operation of the device"s knobs and buttons is transmitted to external DJ software and effectors, etc. as a MIDI4 signal, with a "Full Ensemble MIDI" function built in to enable simultaneous control of this device and other external devices. Each channel is equipped with a switch-type 3-band equalizer (+6dB to -26dB) and 3-band isolator (+6dB to -∞dB). Channel fader knobs and cross-fader knobs offer a "P-LOCK Fader Cap" applying a lock function to guard against accidental disconnection of knobs. Auto Standby automatically senses active operation and the presence of input signals, switching to standby mode when a long period of input is not detected.