Pioneer DJ DDJ-REV1 DJ ControllerKey Features Battle style layout perfect for scratching and mixing Bigger, enhanced jog wheels and 60mm sliders Multi function pads and lever FX Tracking scratch aids in building your scratching skills Mixed microphone audio ideal for streaming The Pioneer DDJ REV1 DJ Controller features a brand new, battle style layout that aids in the art of scratching and mixing. Combining elements from the design of the PLX turntables and the DJM S series mixer;