Features: Eliminate sound & preserve the integrity of your sound with the Ground Isolators, featuring gold plated connectors for quality sound transmission. This ground isolators is to prevent unwanted noise interferences by isolating current flows, ensuring a clearly sound experience without the hassle of electrical Buzzing. Suitable for audiophiles, professional, music producers, and anyone seekings to improve their setups in vehicles or home entertainment. Perfectly for use in car, home theaters, record studios, and live sound setups, this device seamlessly integrates into any sound environment requiring good sound quality. With its plugs and play design, robusts interferences rejection capabilities, and builts in transients surges protect, the Ground Isolators is for reliability and uninterrupted sound performances. Specifications: Component:Metal Size:Approx.93x64x23mm/3.66x2.51x0.9inch Input channel: supports four /(2set of stereo) interfaces inputs Output channel: supports four-way /(2set of stereo) interfaces output Frequency bandwidth:20hz~20Khz Isolation voltages: AC50HZ-60HZ 0V-1500v Input and output impedance: 600ohms Input and output interfaces: Input and output adopt gold-plated interfaces Power supply: no external power supply required, plugs in and use directly Package Includes: 1pc Ground Isolators note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.