High quality digital reverb pedal , using a 32 bit fixed point DSPchip Three reverb modes: Studio/ Church/ Plate Studio: warm natural indoor reverb, and the decay knob can show different sizes of indoor reverb effects Church: church reverb, empty and smooth natural reflex reverberation Plate:plate reverb, let the steel or gold tinsel vibrate and get the man-made mixed sound by refering to the vibration frequency Full metal shell Very small and compact design True bypass switch DC 9V adapter power supply The Mooer Skyverb will add flavor to any pedal-board! Mooer Audio micro effect pedals pack an incredibly BIG sound into a very small package. Features and Specifications Very small and exquisite Full Metal Shell True bypass Specifications Input: 1/4” monaural jack (impedance: 1M Ohms) Output: 1/4” monaural jack (impedance: 470 Ohms) Power Requirements: AC adapter 9V DC (center minus plug) Current Draw: 128 mA Dimensions: 93.5mm (D) 42mm (W) 52mm (H) Weight:170g Accessories: Owner’s Manual