MXR M102 Dyna Comp CompressorThe Dyna Comp is on of the most popular compressors of all time. Whether you want to tighten up your signal, add rich sustain, or create the percussive and clicky sound heard on numerous hit records, this pedal is straightforward and easy to use. For these reasons, the Dyna Comp Compressor has been the secret weapon on countless pedalboards for years. In line compressor "evens out" your signal Especial useful for increased sustain with stable dynamics