[ Ground Loop Isolator]The noise filter uses advanced noise reduction technology to effectively isolate noise and interference in the electrical system, which can help you reduce the noise of the electrical system of the car and home stereo, perfectly solve the noise problem of the car and home stereo, and that the audio signal is pure and lossless. [High-fidelity Audio]This aluminum noise isolator is designed for the pursuit of the ultimate sound quality of high-fidelity stereo home theater and car audio systems. The ground loop audio noise eliminator can be used with amplifiers, speakers or mixers to obtain stable performance and long-term excellence. [High-quality shell]This ground loop isolator is made of high-quality shell, which is not only beautiful in appearance, but also has excellent durability and heat dissipation. can effectively resist external impact and wear and tear, extending the service life of the product. . [Plug and Play]This product is designed to be plug and play, without complicated installation steps. Please follow the jack instructions for correct connection. Whether it is professional installation of home theater or self-upgrade of car audio, it is easy to handle, saving your time and energy. [Wide Compatibility]This audio noise isolator filter is used to ground loop noise between audio source and radio, suitable for portable devices with audio output, including but not limited to home theater amplifiers, stereos, car audio systems, laptops, smart phones, etc. Whether it is home entertainment or car music, it can be easily integrated to meet your diverse needs. Colour:black Material:Metal Package Contents: 1 * Audio Isolator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.