If you’re looking for vintage guitar-synth sounds, the WP-20G Wave Processor™ is for you! This compact pedal gives GK-equipped guitarists six synth-type waveforms plus modulation and delay effects.

Fat synth sounds and effects in a compact pedal for GK-equipped guitars
Provides 6 synth-type waves and effects—Saw Lead, Square, Ring Mod, Slow Gear, Sitar and Acoustic
11 chorus and delay effects, plus Color and Level knobs for further tweaking
Rugged, dual-pedal design with simple, knob-based controls