An audible hum or hum bars is often generated when A/V components are connected to a cable TV or satellite system directly. Eliminate this annoying interference with the Ground Breaker, a feed-through surge protector that resides on your cable line. The coax cable is not included.
        
Features:

• Eliminates hum bars or audible hum
• Isolates ground potential differences within an audio/video system

** Sold in lots of 10 **