“Adds sustain when an amp is clean or gain if the amp is distorted and is great for guitar or bass. This pedal contains the RC4558N1 and the LM3080N chips.
knobs, volume and threshold as well as a treble boost switch this pedal provides perfect compression for guitar, bass, keys, even vocals. The treble boost is really helpful in nudging your sound into sustain that is warm sounding and quiet. The pedal works off a nine volt battery or an AC adapter.”