Behringer Dual-Phase Phaser; Effects Pedal for Electric Guitar, Bass & Keyboards; authentic analog recreation of the popular Phase Shifter from the '70s; 12 Opto-Couplers for intense and natural effects; 2 Sweep Generators with Rate and Shape controls; CV control input; Controls: Sweep 1 Rate, Sweep 2 Rate, Phasor A: Depht, Feedback, Phasor B: Depth, Feedback; Switches: Sweep Generator 1: Rate Control Man/CV, Sweep Gen. 2: Shape, Phasor A: Sweep, Phasor B: Input, Norm/Rev, Sweep Sync; LED: Effect A On; Effect B an; Footswitches: Effect A Bypass, Effect B Bypass; Connections: A & B Input (2 x 1/4" Jack), A & B Output (2 x 1/4" Jack); CV In (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); Note: Battery operation is not supported