Check the listing for details. Morley MHUM-X Hum Exterminator. Color: Black, Condition: New. Listed at 89.00 USD. Morley MHUM-X Hum Exterminator Description The Hum Exterminator™ filters out unwanted voltage on the ground line that can cause ground loop hum. Simply place the Hum Exterminator™ on the end of the power cord of the equipment that has a Ground Loop and plug the Hum Exterminator™ into the wall outlet. Ground Loop is gone and signal remains intact. Easy to use, easy to install, absolutely safe and completely effective! Features Exterminate Ground Hum Right at The Source!Designed to solve GROUND RELATED Hum and BuzzFilters the Ground Line of Excess Low Voltage and Current that Cause Audio NoiseMaintains Proper GroundNOT a Ground LiftSimply Connect Hum Exterminator™ to Power Plug of Offending GearMaximum recommended Current per Hum Exterminator™ Is 6 AmpHandy LED Shows Power is On and Unit Is WorkingMorley Part Number: MHUM-X Attributes Color (X): BlackModel Name (X): MHUM-XVideo Link (X): https://youtu.be/dO_LVtYawGA