HAZ Mu-Tron III+ Envelope Filter Pedal

MU-TRON III+TM translates the envelope or "volume profile" of every musical passage, ...automatically... into an easily-controlled, vowel-like sound, as you play. Use the MU-TRON III+TM to create a variety of synthesizer sounds with most electrified instruments: guitar, bass, keyboards, drums, flute, saxophone, brasses, ...even microphone. >More

EHX Q-Tron Envelope Filter Pedal

Features like switchable Boost and Filter Mix mode allow for an unlimited supply of all-new auto-wah effects that drip with attitude. Increased frequency response and improved signal-to-noise ratio make the Q-Tron perfect for use with any instrument. >More

ModTone MT-FF Funk Filter Enveloper

The ModTone MT-FF Funk Filter is a true bypass boutique style pedal that recreates vintage envelope or auto-wah type effects. High pass, Mid Pass and Low Pass settings can be used in conjunction with the F-Factor control and Drive settings to deliver a wide range of exciting tones that work great on clean or distorted signals. The Funk Filter's reaction can also be changed by simply backing off your guitar's volume knob to find the "sweet spot" and can also change depending if bridge or neck pickups are selected. >More

Emma DB1 Discumbobulator Envelope Filter

The DB-1 was designed to react precisely to even the fastest of playing, while still being able to deal with strong signals such as chords. In addition, the TM-1 will retain the full spectrum of tone present in the original signal without the volume peaks and dips common to other filters. >More