The NS-2 Noise Suppressor eliminates unwanted noise and hum without altering an instrument's natural tone. It's the perfect pedal to quiet down any pedalboard or effects setup.- Compact noise suppression pedal for eliminating noise and hum in guitar and bass effects and amplifier setups.- Unique noise detection circuit preserves the natural attack and envelope of an instrument's sound.- Threshold and Decay knobs allow for shaping the elimination/suppression as desired.Input Impedance: 1 M ohmsOutput Impedance: 10 k ohms or greaterEquivalent Input Noise Level: -110 dBu or less (IHF-A, Typ.)Connectors: INPUT Jack, OUTPUT Jack, RETURN Jack, SEND Jack, DC In, OutPower Supply: DC 9 V: Dry Battery 9 V type (6F22/9 V), AC AdaptorCurrent Draw: 20 mA (DC 9 V)Accessories: Dry Battery 9 V type (6F22/9 V)Option: AC Adaptor (PSA-Series) Please note: this product is able to daisy chain power to other pedals, it does not come with power supply included. *Roland and BOSS Products are for sale & shipping within Canada only*