BOSS ODB3 Bass Overdrive Pedal - The ODB-3 Bass OverDrive delivers the chest-resonating distortion that hard rock, thrash, and punk bassists have been waiting for. 

This hot compact pedal has been designed specifically for bass applications. 

Features: 

• OverDrive pedal specifically designed for bass
• Onboard two-band equalizer
• Balance knob controls dry/overdriven sound and AC adaptor or 9V battery operation.