Behringer HD300 Heavy Distortion, Effect Pedal for Electric Guitar, Double distortion with Gain Boost circuit for fat, heavy distortion with bass pressure and endless sustain, Controls: Gain Boost, Distortion, Tone, Bottom, Level, LED: Effect on, Footswitch: Effect bypass, 6.3 mm jack input, 6.3 mm jack output, AC adapter connection: Hollow plug socket 5.5 x 2.1 mm, negative pole inside, Current consumption: 30 mA, Powered by a 9 V battery or a 9 V DC power adapter (not included - matching power adapter: Article no. #409939#), Dimensions (W x D x H): 70 x 123 x 54 mm, Weight: 330 g