JOYO JF-116 Pedal

Each band provides +/-18Db range to help you find your favorite tone. Frequency band; 100Hz, 200Hz,300Hz,400Hz, 800 Hz, 1.6MHz and 3.2MHz. Powered by a 9V Battery or 9V adapter. This is a very well electrically designed and mechanically rugged pedal, at a great price!!!