Application Occasions of This Great Noise Attenuator 1.Great for blocking RF-interfere 2.If you have computer interference around your computer, get a set and use them,they work. 3.If you are a ham radio operator and the antenna is in your attic.Put them on USB cables, power cables 4.Fixed LED light...

Specifications:/descriptions:/p uluhelps reduce EMI on AC power lines.black plastic enclosed ferrite core for 5mm AC power cords.great for cutting noise on USB, fire wire, phone, power cord, coaxial, audio, video etc. Cables. easy structure and convenient installation. Just clip it on and you will g...

200 Watts Noise SuppressorDesigned to Eliminate Noise Used w/Amplifier Matches Impedance between Amp & Deck RCA Plugs

Pyramid NS12 12 Amp InLine Noise Suppressor

Easily Installed10 Amps Reduces and Eliminates Engine Interference Compatible w/Receivers, Equalizers & Amplifiers

250 Watts Noise SuppressorEasily Installed w/RCA Jacks Designed to Eliminate Noise Used w/Amplifier Matches Impedance Between Amp and Deck