1601 Sequencer 2600 – 3620 Electronic Audio Synthesizer 4075 Active Filter 40XX Submodules Avatar Synthesizer Axxe Electronic Music Synthesizer Explorer 1 Synthesizer Little Brother Synthesizer Odyssey Synthesizer Omni Analog Synthesizer Omni 2 Polyphonic Synthesizer Pro Soloist 2701 Synthesizer Pro/Dgx 2720 Synthesizer Quadra Programmable Synthesizer Quartet Analog Synthesizer Solus synthesizer