Caline CP-39 NOISE GATE Guitar Effects Pedal Aluminum Alloy with Noise Reduction FuctionYet another great pedal from Caline! The Noise CP-39 is a noise gate pedal which can help reduce the noise hum and buzz of other pedals (especially high gain distortion) in your pedal chain. There are two main controls. The sensitivity control dictates the level when the noise gate kicks in. At higher settings anything below aggressive strumming will be cut. The two way selector switch controls if the gate kicks in aggressively switch a steep volume cut or more softly with a gradual cut. Runs off a 9v power supply.Features:-The noise gate pedal is for reducing the noise hum and buzz of other pedals(especially high gain distortion) in your pedal chain.-2 working modes: Hard(reduce high frequency sound) Soft(reduce low frequency sound) allows you to have more excellent tone.-One control knob for adjusting the volume of the noise reduction.-True bypass and with LED light for indicating effects or bypas