French boutique filter/phaser for explorers. Glou-Glou builds big, complex pedals that feel like synths without keys.

Deluxe Mu-Tron III-style envelope filter with effects loop, expression input, and blend control.

Germanium-based envelope filter with vintage warmth and response.

Loud, aggressive, experimental fuzz device - scream in Italian.

Triple-mode envelope filter for bass. Auto-wah, touch-wah, and synth-bass sounds with Hi/Lo Q switch.

First-generation bass envelope filter. Analog-style response with Source Audio's DSP technology.

Hard-clipping distortion with Soviet D312A germanium diodes and cocked-wah filter. Limited to 165 units.

Analog Weirding Module with envelope filter, fuzz, phaser, and sub-octave. Slider controls.

Fixed wah filter pedal with adjustable frequency position for cocked-wah tones.

Dual-envelope filter with extensive parameter control and independent high/low filters.

The Echoes squawk in pedal form. Backwards wah circuit reproducing Gilmour's famous feedback effect.

Dynamic envelope filter with Range control and Up/Down voice switch for funk tones.

Parametric EQ with tilt and CV control, sweepable filter from subtle shaping to dramatic voicing.

The Moog ladder filter in a pedal. 2/4-pole modes, 20Hz-12kHz sweep, envelope follower. Discontinued, collectible.

Expanded Q-Tron envelope filter with effects loop, blend, and HP/LP/BP mode selection.

Updated Danish envelope filter legend, refining the world-class auto-wah formula.

Envelope wah with Humanizer vowel mode - funky filter sweeps triggered by your pick.

Light-responsive effect creating psychedelic tones via photocell interaction.

Programmable analog optical wah/filter with 6 presets, MIDI, Auto/Fixed/Envelope modes. Expanded parameter control over the original Hosta.

Korg MS-20 filter clone with dual LP/HP resonant filters, six knobs, and CV inputs for modular use.

Wahcko wah with added Seagull effect. The Gilmour Echoes sound built into the wah housing.

Envelope filter from the Maestro relaunch. Touch-responsive auto-wah with sensitivity and range controls.

16 filter and synth models including envelope followers, talk boxes, and ring modulators.

Envelope filter with HP/BP/LP modes, dual frequency range and switchable sweep direction.