Mesa Boogie Grid Slammer

True bypass guitar overdrive effect. Effect is controlled with Level, Gain and Tone controllers. Features sweet and subtle drive sound. Powered by 9V battery or DC 9 V adapter with Negative Center polarity with size 2,1 x 5,5 mm (adapter is not included). Do not use adapters with different polarity, it will cause immediate damage of the device. Dimensions are 122 x 73 x 58 mm. Weight: 287 g. Product comes in green finish.