Portable 2-channel controller for Serato DJ. DDJ-SB2 boasts all popular features from DDJ-SB, and adds some amazing new functions. This controller has been upgraded with 4-deck control and dedicated buttons to switch between channels effortlessly, plus a trim knob and level meters to master the input volume, and Pad Trans beat effects will uplift your DJ skills.Hit the top 4 rubber pads to trigger Hot Cue, Auto Loop, Manual Loop and Sampler, and the bottom 4 for immediate access to Play, Cue, Sync and Shift