Pioneer DJ DJM-850 4-Channel 8 analog inputs 4 outputs, Built-in 24bit/96kHz USB soundcard, built-in Sound Color FX, TRAKTOR SCRATCH 2 Certified Professional Performance DJ Mixer Variety of advanced effects including Sound Color FX, new Beat Color FX, and Beat Effects Quickly change between the new Beat Color FX and Sound Color FX to suit each tune for further remixing and sound capabilities Top panel USB connector for DJ software