Expression Pedal

An expression pedal is a foot-operated device that is commonly used to control parameters of effects pedals in a guitar pedalboard. It works by converting the physical motion of the foot on the pedal into a control signal that is sent to the effect pedal.

Most commonly, expression pedals are used to control parameters such as volume, wah, and pitch shifting, but they can also be used to control a wide range of other parameters depending on the specific pedal and its capabilities.

Expression pedals typically connect to the effects pedal via a TRS (tip-ring-sleeve) cable and are powered either by the effects pedal itself or by an external power supply.

There are many different types of expression pedals available, ranging from simple, single-purpose designs to more complex and versatile models. Some expression pedals feature built-in tuner outputs, additional footswitches, or other advanced features that can be useful for certain players.

When choosing an expression pedal, it’s important to consider the specific needs of your setup and the capabilities of the effects pedals you plan to use it with. It’s also worth considering the durability and build quality of the pedal, as well as its ergonomics and overall feel underfoot.