Electro-Harmonix Silencer Noise Gate pedal. The Silencer design provides precise adjustment to suit your style. Thresh controls the level to open the noise gate and allow the signal through. Reduction adjusts the degree to which the triggered signal is reduced and is variable between -70dB and +4dB. Release controls how long the gate remains open after the signal falls below the threshold.

• Three controls for precise adjustments.
• Use it as an inline noise gate or to close full effect loops
• offers up to -70dB of noise reduction
• Features 8 ms to 4 seconds release time
• Buffered bypass
• Compact design with a durable chassis
• 9-volt battery included
• Optional EHX 9.6FDC-200mA power supply
• Current consumption: 22mA @ 9VDC
• Dimensions: Width 7.0 cm x Length 11.5 cm x Height 5.1 cm