The Boss OS2 Overdrive Distortion Pedal for Guitar and Bass Guitar. Powerful overdrive or distortion or a combination of both. The Boss OS2 gives you a choice of overdrive or distortion or lets you combine both - all in a single compact pedal. This integration gives you more options than by using serially connected units, and the OS-2 can provide hard distortion that maintains the subtle nuance of single-coil guitar pickups.
The main features of the Boss OS2 include:* Controls: Level, Tone, Drive, Colour
* Connectors: Input, Output, AC Adaptor
* Current Draw: 12 mA (DC 9V)
* Weight: 400g (15 oz.)
* AC adaptor or 9V battery operation (not included)
* Recommended AC Adaptor: PSA Series