Analog! Twin Town Guitars love phase. This big brother of the Phase 90 offers an even broader range of sounds. Along with the speed control there is a 4-position rotary switch that selects between four different intensities, defined as preset waveform patterns. Great for guitar, bass, keys, vocals, and more! Please call or email Twin Town Guitars for more details or shipping quotes. • MFSKU M107 • UPC 710137006560