DJM Feature DJM-900 NXS2 DJM-900 Nexus       DSP 64-bit 32-bit Audio Interface USB (B) Ports 2 1 Send/Return Independent Disables Beat FX Pro DJ Link LAN/USB LAN Beat FX 14 13 Beat FX Frequency Yes No Sound Colour FX 6 6 Phono (RCA) Channels 4 3 Digital In Channels 4 4 Line In Channels 4 6 Mic Channels 2 2 MIDI Out No Yes Master Out XLR 1 1 Master Out RCA 1 1 Booth Out TRS 1/4 Inch Jack 1 1 Digital Out CO-Axial 1 1 LAN 1 1 USB B Port 2 1 USB A Port 1 0 S/N Ratio 105 dB 105 dB Frequency Response 20Hz - 40kHz 20Hz - 20kHz Total Harmonic Distortion Ratio 0.0005% 0.0004% Weight 8 kg 7.1 kg