The Kontrol One is a professional USB MIDI DJ controller designed to work for the most demanding of digital DJs. The modular unit provides full control over not only basic transport functions, but also more advanced features such as loop size, filters, effects, hot cues, and samples. The Kontrol One also features a selectable rotary switch which allows the user to select between decks. This unique feature allows the user to assign a single Kontrol One to up to four decks in the digital DJ software. Four Kontrol One's can also be linked together via a USB hub to provide direct control over each of the four virtual decks as well. With full MIDI customization, touch sensitive jog wheel, and deck assign switch, the Kontrol One has all the features needed by any digital DJ.