The TRAKTOR S2 2-channel DJ controller features many of the same controls, including 2 jog wheels within a smaller form factor with a two channel mixer made for DJ purists. Shipped with TRAKTOR PRO 3, the S3 is ready to go right out of the box. The essential 4-deck DJing set up, KONTROL S3 is your entry to 4-channel mixing and includes 2 jog wheels made for spinning, scratching, and beat-matching on your desktop or iPad. Shipping with the full version of TRAKTOR PRO 3, this 4-channel DJ controller helps you craft a sound that’s unique to your style. For a slightly more conventional approach to your sets, the TRAKTOR KONTROL S4 features our patented Motorized Haptic Drive jog wheels on either side of your 4-channel mixer, along with an integrated pro-grade audio interface.