The WMD Super Fatman is the ultimate in guitar/bass envelope filters. The Super Fatman features pure analog filtering with 12 frequency ranges and LP/HP/BP filter modes. This makes the WMD Super Fatman an incredible envelope filter, fixed wah, auto wah, and LFO based filter modulator.
The Subdecay Proteus is the perfect plug-and-play filter effect. With sweet envelope filtering and random sample/hold step filtering, the Subdecay Proteus couldn't be easier to use and sounds top-notch just like all Subdecay effects.
The Source Audio Poly-Mod Filter offers funky auto wah and more. 23 filter effects, versatile controls, a 7 band EQ, MIDI input, expression pedal jack, tap tempo and up to 6 user presets make the Poly-Mod a whole world of envelope filters in one pedal.
The Electro Harmonix Stereo Talking Machine brings a whole new language to electric guitar. Chock full of vowel-like sounds and envelope controlled wah filters, the Electro Harmonix Stereo Talking Machine will have your guitar talking up a storm.