amazing vintage fuzz! Switch between a bright fuzz sound that is very aggressive and also works amazing with bass guitar to a very fat full toned fuzz that will put your guitar on top of any mix. One very cool feature of this fuzz is the ability to balance your clean tone with the effect. From all clean signal to all dirty. This is really cool when combined with a slightly dirty amp tone. Also includes 9v battery clip adapter. You can run this on a 9 V battery by opening up the case and removing the battery clip adapter or you can run this off from a standard 9 V DC pedal power center negative Supply.