*Please note  -- This pre-owned item may show signs of use. Please refer to the photos for details of the product.  The black Pioneer DJ DJM-900NXS2 is a professional DJ mixer well suited for professional mobile DJs, nightclub installations, recording studios, and more. The mixer features a 4-channel layout and an integrated USB soundcard with support for up to 4 stereo channels of 24-bit / 96 kHz audio. Its digital throughput also delivers a wide variety of DSP effects. The mixer features Pioneer's Sound Color, Beat, and Frequency effects, and its X-Pad touch pad lets DJs manipulate and apply effects in real time. There are four inputs for turntables and four line-level inputs for digital decks. Additional features include Pro DJ Link, four S/PDIF digital input connections, one S/PDIF digital output connection, two top-mounted USB connections, and an additional USB port that supports iOS devices for use with Pioneer's optional RMX-1000 for iPad. An independent Send & Return section allows for external effects to be used simultaneously with the internal effects.