Front featuresThresholdUse this push knob to control the threshold of the noise gate. Press the knob to switch between the â??Softâ? mode (Blue LED color) for softer gain reduction and â??Hardâ? (Red LED color) for the more aggressive gate operation. Threshold rangeFrom -65 dBV to -30 dBV in â??Softâ? mode.From -45 dBV to +5dBV in â??Hardâ? mode. DimensionsWidth: 50 mm /2â?³Length: 36 5 mm/ 1 ½â?³Height: 100 mm / 4â?³Weight: 205 g / 0 45 lb Technical SpecificationsInput Impedance: 1 MΩOutput Impedance: 100 kΩCurrent Consumption: ~60 mAVoltage 9V DC (Center Negative)