Two-channel battle mixer for Serato DJ. 16 color performance pads. Customizable Magvel crossfader. Dual USB ports.With a fully configurable Magvel Pro crossfader and customisable FX buttons and pads, you can tailor the mixer to suit your DJing style. The tough DJM-S9 is build to withstand the most energetic scratch performances, and it boasts high-quality audio circuitry inherited from the flagship 4-channel digital mixer, the DJM-2000NXS.