This Shut Up Noise (SUN) noise gate features 4 jacks for 3 or 4-cable pedal wiring.
Connect it directly in front of the amp, or in the effects loop, using the input key for even more hum annihilation. There is a low/high threshold switch inside the enclosure in case you need more noise reduction power.
Power consumption: 38mA
Voltage: 9V DC Center Negative