♬Effectively eliminates ground loop noise and interferences in sound signals, delivering clear sound for professional recordings and high clear listening with its advanced 4channel ground loop isolator technology. ♬4channel sound isolator port 4channel ground loop isolator, with nylon braided wire for car and home theater, current ground noise filter, with ground isolation switching switching, durability metal ♬Built-in 4channel sound transform, durability metal casing. ♬Hot-swappable design and supports double ground switching, built-in nylon braided wire and gold-plated connector. ♬Widely used in different occasions to help ground noise .