The pioneer dj ddj flx4 controller is a two channel dj controller designed for beginners and casual djs who want a simple way to start mixing across different devices and software. Its layout takes inspiration from professional pioneer dj gear so you can build familiarity with a club style setup while keeping controls clear and easy to follow. The ddj flx4 allows you to to connect to rekordbox serato dj lite djay or traktor play giving you flexibility as you develop your workflow. Smart mixing features help you sound more controlled from the start. Smart fader adjusts volume bass and tempo as you move the fader helping create smoother transitions between tracks. Smart cfx allows you to apply combined effects with a single knob adding energy without needing detailed adjustments. The compact design makes it easy to carry between sessions while multi device support lets you mix using a computer smartphone or tablet. With streaming service integration in rekordbox you can access a wide selection of music and start building sets without relying on a pre existing library.