Memory) 2GB 64-bit: CPU) 2.4 GHz Core 2 Duo. Serato DJ System Requirements ■ Applicable OS(Windows)Windows 7 32-bit: CPU) 2.0 GHz Core 2 Duo. DJ can apply more creative and more unique arrangement to the music. FX Powered by iZotope– High quality FX newly developed by iZotope. Slip Mode silently continues song playback during a performance loop, scratch or hot cue and resumes audible playback when the loop, scratch, or hot cue operation is ended, creating smoother and more seamless transitions. Allowing scratching or setting and recalling hot cues on both tracks as if they were performed on a single track. more on jog display 8 soft-touch rubber controller/trigger pads per deck for loop/sample Can be used as a stand alone 4-channel mixer Dual Deck– The DDJ-SX enables two tracks to be controlled at the same time. Industry's first 4-channel performance DJ controller/mixer for Serato DJ software Pro-level build quality with oversized jog wheels feat.