The Denon DN-X1700 4-Channel Digital DJ Mixer delivers a host of flexible features designed to satisfy the needs of demanding nightclub and mobile DJs alike. This flexible mixer features 4-channels with plenty of analog inputs for turntables, CD decks, and more. There are 4 S/PDIF digital inputs for direct connection with compatible digital player devices. A USB 2.0 connection turns the DN-X1700 into a 4 input / 4 output audio interface for the Mac and PC. Extensive MIDI mapping enables the mixer's controls to be used for controlling external software. Two independent effects processors provide studio-grade effects for effortless remix control during sets. Features 4-Channel Digital DJ Mixer with Studio Quality Components & Specifications Worlds First Professional DJ Mixer w/32-Bit DAC Output 24 bit 96kHz USB2.0 Audio Interface (Soundcard) 4in/4out (stereo) MAC OSX 10.5.7 and 32-Bit Windows Compatible Low latency ASIO driver for PC included USB MIDI