Dunlop MXR M80 Bass D.I. + Pedal: Everything you need to get a great bass sound. Dial in your tone with the 3-band EQ. Blend in as much distortion as you like without losing any low-end. Even if you run a lot of distortion, the adjustable noise gate will keep it under control. Power: ECB003 AC Adapt. or a 9V battery. M80-1