Despite only having one knob, M101 Phase 90 is more than capable of supplying just the right amount of shimmer to a variety of input signals. Not content to be used solely with guitar and bass, Phase 90 is also very effective in tandem with vocals and keyboards.
M101 Phase 90 Features
Simple, single knob operation
Wide range of sounds
Works well with guitar, bass, keyboards, and vocals
Knob varies speed from subtle to fast, watery warble
Battery operation or with optional AC adapter (sold separately)