The Electro Harmonix Q Tron Plus Envelope Filter Pedal takes all the features you know and love about the original Q Tron and adds both an effects loop and a attack response switch. The Effects Loop le ...

The DigiTech Synth Wah envelope filter doesn't cop out by giving you only one sound to work with and try to tweak. DigiTech has gone way beyond that with a full 7 different types of sounds to choose from, including ...

The Moogerfooger MF-105 MuRF is a new and unique effect designed by Bob Moog. MuRF is short for Multiple Resonance Filter Array. The MuRF provides sequenced filter effects that have not been heard before! ...

Unzip your soul Just picture your guitar signal being massaged by a complex set of filters moving through a vacuum tube maze. Energized by two 12AX7EH tubes, the Tube Zipper's patented moving filter ga ...

Improve your Groove! The Electro-Harmonix Q-Tron - the phattest, funkiest envelope filter ever made! Features like switchable Boost and Filter Mix mode allow for an unlimited supply of all-new auto-wa ...

Moog MF105M MIDI Moogerfooger Murf Filter Pedal; Combines Bob Moog’s classic MuRF and Bass MuRF to make one powerful Moogerfooger. Its warm, resonant, 100% analog Mid and Bass filter ...

A true bypass boutique style pedal, the ModTone MTFF Funk Filter Enveloper Pedal recreates vintage envelope or auto-wah type effects. High Pass , Mid Pass and Low Pass setting ...

This is the classic Moog filter that changed the sound of electronic music. Reach out and sweep the filter with the CUTOFF knob. Or use the ENVELOPE section to do it automatically. Or plug in one or more expressi ...

The Original MU-TRON III Plus Envelope Filter Pedal translates the envelope or volume profile of every musical passage into an easily-controlled, vowel-like sound, as you play. Use MU-TRON II ...