A guitar compressor pedal is an electronic device that reduces the dynamic range of an electric guitar signal, making the louder sounds quieter and the quieter sounds louder. This can be useful for creating a more even sound, reducing feedback, and adding sustain to notes.
Guitar compressor pedals have been used by guitarists for decades, and there are many different models and brands available. Some of the most popular compressor pedals include the MXR Dyna Comp, the Boss CS-3, and the Keeley Compressor. These pedals offer a variety of features, such as adjustable attack, release, and threshold controls, which allow guitarists to customize the sound of their compression.