Jim Dunlop MXR M237 DC Brick Power Supply Guitar Picks A single Trigger knob allows

A single Trigger knob allows you to set the volume threshold at which the pedal is active

A gig-worthy 50W amp with an undeniably bold sound

highly visible gain-reduction status LEDs

balanced bottom that keeps your sound full and round

Built in USB/SD

Jim Dunlop MXR M237 DC Brick Power Supply Guitar Picks A single Trigger knob allowsKeep your pedals powered all night long with the MXR DC Brick Power Supply, a revamp of the DCB10. Now under the MXR brand, the new DC Brick Power Supply features all of the short circuit and overload protection of the original but now handles twice the power, allowing you to use virtually any combination of effects. Additionally, each 9v output has a red LED that illuminates if there is a short so you can quickly identify and troubleshoot any power