I added a component to my system and a humming noise started coming from my cable tv. I added the Jensen Iso-Max and problem solved! Just like that. Simple to do and effective. Why the cable company doesn't know about this is beyond me. I highly recommend this product if you are experiencing cable noise.
I had a significant hum introduced into my system by the cable feed into my cable box. Inserted the Iso-Max, problem solved. Everything now is as it should be!