Behringer Meatball Envelope Filter Pedal '90S-Style Envelope Filter Guitar Pedal With Sensitivity, Attack, Decay, Colour, Intensity, Blend, Trigger,

MXR M82 Bass Envelope Filter Pedal - Blackout Series Envelope Filter Bass Effects Pedal With Dry And FX Knobs - Blackout Series

Electro-Harmonix Q-Tron+ Envelope Filter Pedal Envelope Follower Pedal With Effects Loop And Attack Response Switch

Electro-Harmonix Pico Swello Attack Envelope Pedal Attack Envelope Guitar Pedal With Volume, Attack, Frequency, And Mod Controls And Filter

4Ms Envvca Envelope Filter And LFO - 8HP 8HP Analog Envelope And LFO With Built-In VCA, Slew-Limiter, And Sustain