All-in-one portable synthesizer, sampler and controller. Features a built-in fm radio and an assignable g-force sensor for motion controlled effects, thirteen synthesizer engines, seven high quality effects and multiple routable lfo’s. Controller mode turns the OP-1 in to a full blown midi controller, with access to transport (play/stop, rec, rewind and forward), a two octave keyboard with four endless encoders as well as a sound module that can be controlled from virtually any external software. Also has a 4-track tape feature. with assignable tape speed that can also be altered while recording, or record backwards in realtime. 4 channel mixer to add some punch with the built in eq and compressor.