The device is specifically designed to eliminate ground-related Hum and Buzz issues quickly and easily. 

Features:
It filters low voltage from the ground line that causes audio ground loop hum and buzz.
Plug-in design, small and lightweight, easy to use. Suitable for 120V 60Hz grounded US power outlets.
Does not affect voltage in any way, neither the sound quality of audio equipment. 
A built-in LED indicator shows that the device is working. 
Can be used on equipment with up to but no more than 6 amps current. 

Note: The No-Hum is not designed to solve cable or pickup related noise.
1. The product supports the United States 3-pin plug, does not support 2-pin plug, 2-pin plug will not be effective after plugging.
2.The product mainly solves the equipment buzz caused by the voltage ground wire circulation to eliminate, if the buzz caused by other reasons can not be eliminated (note: such as the buzz caused by the signal source wire, the bottom noise of the equipment itself, the 
noise caused by the surrounding environment of the equipment can not be eliminated)
3.The product 3-pin plug must be inserted in the United States standard voltage wiht ground wire socket to use, if the socket does not have a 3-pin ground wire will not be effective


Specifications:
Material: ABS
Color: Black
Plug: US plug
Item Size: 8*4.4*3.2cm / 3.14 * 1.73 * 1.25in
Item Weight: 180g / 6.34oz
Package Weight: 230g / 8.11oz
Package Size: 9*8.2*5.7cm / 3.54 * 3.22 * 2.24in

Packing List: I7966
1 * Buzz eliminator