Electro Harmonix Single Expression Pedal.

Description

Here’s what Electro Harmonix say about the Single Expression Pedal:

A single-output pedal thats versatile enough to control virtually any device with an EXP input. Built to be both versatile and affordable, the EHX Expression pedal can control expression parameters on a wide array of products from various manufacturers as long as the product includes an expression jack. The TRS polarity switch provides the ability to change the connections to the TRS jack while a Reverse button and a Range knob allow the musician dial in the perfect expression sweep for their application.

A roadworthy pedal with significant weight savings. – Guitar World

Specifications

Single-output design
The pedals sweep can be fine-tuned with the range knob while sweep direction can be flipped with the reverse button
Polarity switch for maximum compatibility with a wide range of gear
Advanced polymer construction yields a roadworthy pedal with a significant weight savings
Affordable
Six foot TRS cable included
No power required