Roland Variable Synthesizer (SYSTEM-1) Four oscillators for buckets of fat synth tones Oscillator colors create continuous waveform changes from simple to complex All parameters can be controlled with physical knobs and sliders with LED indicators Advanced arpeggiator with Scatter function Innovative thin keyboard with 25 normal-sized keys Comfortable to play, yet the most compact Roland synth ever Scatter jog dial offers 10 different phrase variations with dynamic, real-time control over 10 stages of depth -12 dB and -24 dB filter types with independent high-pass filters Tone knob for easy tonal balancing and Crusher knob for modern edge Integrated delay and reverb effects, and tempo syncing for LFO and delay