Yamaha's Reface DX is a powerful 4-operator FM synthesizer with multi-touch control interface, 32 voice memory and sustain pedal input. This unit features continuously variable feedback on every operator, two programmable effects blocks with seven effect types per block (VCM touch wah, VCM flanger, VCM phaser, chorus, delay, reverb and Distortion), high quality mini keys, 2W 3cm stereo speaker, can be powered by 6 AA batteries or the included power supply
