4 Voice is a semi-modular analog polyphonic synthesizer, assembled and based on the four SEM modules. Thus, the synthesizer incorporated eight voltage-controlled oscillators (VCO), two per voice, four controlled filters, four VCA and ADS envelope...
Combined into one housing, eight SEM modules feature sixteen voltage-controlled oscillators (eight voices per each of the two VCOs), eight controlled filters, eight controlled amplifiers with ADS generators that can be configured individually. All...
The Roland A-300PRO is a MIDI keyboard controller designed for use with computer music software. It features a full-sized, velocity-sensitive keyboard with aftertouch, eight assignable knobs and sliders, and eight velocity-sensitive trigger pads. The...
The Roland A-500PRO is a MIDI keyboard controller designed for use with computers, synthesizers, and other MIDI devices. It features 61 velocity-sensitive keys, eight assignable knobs, eight assignable sliders, and eight assignable buttons. It also has a...