Vemuram Budi-G Boost; Effects Pedal for Electric Guitar; wide range with a large amount of headroom; stacks very well with other drive pedals or pushes your tube amp; 2-Band EQ & SAT Trimpot to adjust right amount of grit; Controls: Boost, Bass, Gain, Treble, SAT (External Trimpot); LED: Effect On; Footswitches: Effect Bypass; Connections: Input (1/4" Jack), Output (1/4" Jack); Power Supply connector: Barrel Connector 5.5 x 2.1 mm, center negative; powered by a 9 V DC Power Supply (not included); suitable optional Power Supply: Item no. #409939; Dimensions: (W x D x H): 70 x 113 x 50 mm (2,76" x 4,45" x 1,97"); Weight: 396 g (0,87 lbs); Made in Japan; Note: Battery operation is not supported