ROLAND JP-8000 Synthesizer Polyphony - 8 voices/ Oscillators - 2 Roland Analog Modeling DSP oscillators: Saw, Square (PWM), Triangle (PWM), Super Saw (7 de-tuned Saws), Triangle Mod, Feedback OSC, noise Filter - Resonant 12/24dB/oct low pass / band pass / hi pass; ring modulator Memory - 128 preset patches, 128 user patches, 64 performances, 64 user performances Arpeg/Seq - Powerful vintage-style arpeggiator with beat patterns; Programmable real-time Phrase Sequencing (RPS) functions Keyboard - 49 keys (with velocity)/ Control - MIDI (2 parts)