Sequential Prophet REV2-8, 8-voice polyphonic analogue synthesizer, Expandable to 16 voices with optional voice card, Two digitally controlled oscillators per voice, 2/4 pole Curtis lowpass filter, VCA, Original Prophet 4 LFOs, 3 envelope generators, Each program has two layers, Polyphonic step sequencer with up to 64 steps and up to 6 notes per step, Separate 16 x 4 gate step sequencer, Arpeggiator, 512 factory preset programmes (4 banks of 128 presets each) and 512 fully editable user programmes with 2 layers (2 separate sounds) in each programme, 5 octave velocity-sensitive keyboard with aftertouch, Pitch bend and modulation wheel, Split function, 4x line output 6.3 mm jack unbalanced (A/B L/R stereo), MIDI In/Out/Thru, Sustain pedal input, Pedal/CV input (for expression pedal or CV from 0-5 VDC), USB, Headphone output 6.3 mm jack stereo, Dimensions (W x D x H): 892 x 322 x 96.5 mm, Weight: 9.3 kg, Suitable case: Art. #505441# (not included)