A loop pedal is a type of effects pedal used in music performance and recording that allows a musician to create and layer loops of audio in real time. Loop pedals are typically used by guitarists, bassists, vocalists, and other instrumentalists to create multi-layered arrangements of their performances.

A loop pedal works by recording a short section of audio, usually a few seconds long, and then playing it back in a continuous loop. The musician can then add additional layers of audio on top of the loop, building up a complex arrangement of sounds and rhythms. Loop pedals typically have controls for adjusting the length of the loop, the tempo or speed of the playback, and the volume of each individual layer.

Loop pedals can be used in a variety of musical styles, from simple solo performances to complex arrangements with multiple instruments and voices. They can be used to create backing tracks for live performances, to experiment with new sounds and ideas in the recording studio, or to practice and improve musicianship skills.

Some loop pedals also come with additional features, such as built-in effects, drum machines, and MIDI connectivity, which can further expand their capabilities and creative possibilities.