Keeley Electronics Guitar Effect Pedals. Effects for those that desire the highest fidelity in a guitar effect pedal. Get Award Winning Tone from the Keeley Compressor, Java Boost, Fuzz Head. New pedals include the Katana Clean FET Boost, NOVA WAH and George Lynch Time Machine Boost. Effect Pedal modifications for the IBANEZ TS9 Tube Screamer Baked and MOD PLUS overdrive. Great mods for the Phat BD-2 Blues Driver, BOSS DS-1 SEM and ULTRA Distortion, SD-1 and CE-2 chorus. Engineered mods for the Sparkle Drive, Visual Sound Route RT66, Maxon, RAT, MT-2, VOX and Crybaby. Our Tremolo mods to the TR-2 will continue on to delay pedals, and other modulation devices.