Start to DJ Lab Bundle for SchoolsThe Start to DJ Lab Bundle that includes the Pioneer DDJ FLX4 2 Channel DJ Controller, First 50 DJ Techniques Book and 4 Start To DJ Level 1 Workbooks. Pioneer DDJ FLX4 2 Channel DJ Controller The DDJ FLX4 2 channel DJ controller for multiple DJ applications is a 2 channel controller with a simple, user friendly design and a professional feel. Features include: rekordbox, Serato and djay Compatibility You can use the DJ software rekordbox, Serato DJ