Warning: This app is a Midi controller and does not include a sound engine or synth. DJ Control this is unique midi controller for live performance. For Traktor Djs and others. App include 3 professional Layouts: -CD Player -Vinyl Player -Mixer (Traktor Only): -Track position -Phase control -Signal Level -Scratch -EQ -Crossfader -Track Volume -Sync, Master -Loops -Cue -1,2,3,4 Decks -XY Pads -Presets and more... Application already configured for using with Native InstrumentsI(C) Traktor(TM) 3v3s2s