Native Instruments Traktor Kontrol S2 MKII, DJ Audio Interface, Controller and Traktor Pro2 Software, DJ-Performance-System with 2 Channels + Sample Deck-Channel, compact Controller based on the S4, 3-Band-EQ, 4 Hot Cue-Buttons, Jog-Wheels for Track-Control, 2 Effec Sections with more than 30 Effects, build in USB Audio-Interface, 2x Stereo-Out 1/4" TRS balanced (Master and Monitor), Mic-Input with Mute-Function, Headphone Out, Plug-and-play Support: direct Control of TRAKTOR DJ for iPad and iPhone, incl. TRAKTOR PRO 2-Software, Dimensions: 438 x 292 x 44 mm (WxHxD), Weight: 2.7 kg, Software and drivers are available at Native Instruments website (no installer media in the box). contains: S2 Hardware-Controller, Traktor Pro 2 Software (Download), USB-Cable, iOS 30-Pin-Cable (30-pin to Apple Lighting Adapter optional), Power Supply, S2 Overview-Poster, Keyboard-Map. optional Case: #283686, optional Case with shelf: #285411