The OS-2 gives players a choice of overdrive or distortion or lets them combine both--all in a single compact pedal. Its distortion maintains the subtle nuances of single-coil guitar pickups. -On/Off foot Pedal switch Rate knob
 
-Level knob
-Tone knob
-Drive knob
-color knob distortion or orverdrive
-1/4" mono input and output jacks
-DC 9V 12 mA power in jack -Alkaline battery: Approx. 55 hours or carbon zinc battery approximately 33.5
-buffered bypass