Boss

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 ohms
Output Impedance: 10 k ohms or greater
Equivalent Input Noise Level: -110 dBu or less (IHF-A, Typ.)
Connectors: INPUT Jack, OUTPUT Jack, RETURN Jack, SEND Jack, DC In, Out

Power Supply
DC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor
Current Draw: 20 mA (DC 9 V)
Accessories: Dry Battery 9 V type (6F22/9 V)
Option: AC Adaptor (PSA-Series)

Size and Weight ( incl. battery )
Width: 73 mm / 2-7/8 inches
Depth: 129 mm / 5-1/8 inches
Height: 59 mm / 2-3/8 inches
Weight: 0.4 kg /0 lbs. 15 oz.