Mooer Noise Killer Noise Reducer Pedal w/ 2 Cables Bundle Includes 2 Cables! Dimensions: 93.5mm (D) 42mm (W) 52mm (H) Input: 1/4" monaural jack (impedance: 1M ) Output: 1/4" monaural jack (impedance: 100 Ohms) AC adapter 9V DC (center negative plug)