Features: Eliminate the car inside the car on the car Stereo power interference caused by noise, but also can effectively inhibit the computer display interference. Can effectively solve the problem of car Stereo noise, the ignitions of the power supply clutter have a filtering effect, so that the sound better. The Stereo Isolation Alternator is easy to install, and it can be used after correct connecting cable. The Ground Loops Stereo Noise Eliminator could work with car stereo, amplifiers, speakers or mixers, with stable performances, high precisions and good reliability. Used for portable devices that have Stereo outputs Home Stereo Speakers Amplifier Equalizers and so on. Specifications: Material:ABS,Metal Package Includes: 1Piece Ground Loops Noise Isolator note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.