EXP

EXPRESSION

The A3 Stompbox EXP (Custom Expression Pedal) is a high-quality passive expression/volume control pedal designed for guitarists and multi-effects rigs like Kemper, Helix, and Quad Cortex. Built with a durable stainless steel housing and a precision potentiometer and string system, it delivers an ultra-smooth tread and linear expression curve. It features a single TRS expression output for controlling compatible amps and effects, available in Standard and Mini sizes.