Allpedal Macrodose Envelope Filter; Effects Pedal for Electric Guitar & Bass; Analog Filter with Digital Control, Blend and Volume; Autowah with selectable Waveforms, Sample/Hold functions, Step Filter, Random Sample/Hold, and even a pixelated Filter function; works with many instruments including Electric Guitar, Synthesizers, and Bass; Controls: Vol, Blend, Depth, Res, Freq, Warp; Switches: Shape & Mode Rotary Switch; LED: Distortion On, Delay On; Footswitches: Distortion Bypass, Delay Bypass; Connections: Input (1/4" Jack), Output (1/4" Jack), Exp. Pedal In (1/4" TRS-Jack); Power Supply connector: Barrel Connector 5.5 x 2.1 mm, center negative; Current Draw: 60 mA; powered by a 9 V DC Power Supply (not included); suitable optional Power Supply: Item no. #409939; Dimensions (W x D x H): 119 x 89 x 60 mm (4,7" x 3,5" x 2,36"); Weight: 430 g (0,95 lbs); Made in USA; Note: Battery operation is not supported