Eliminate ground loop noise and electrical interference with this XLR/6.35mm TRS stereo audio isolator. Designed to resolve voltage phase differences between long audio cables and devices, it delivers a three-dimensional, full sound quality with clean, lossless audio performance. Featuring pure copper audio sockets with gold-plated interfaces, this audio isolator box ensures durability and resistance to rust. The aluminum alloy housing enhances robustness, offers strong anti-interference capabilities, and maintains ultra-high sensitivity in signal restoration. Equipped with a manual grounding switch, this ground loop isolation transformer allows disconnection of the grounding circuit to prevent interference, effectively eliminating humming sounds and noise due to improper grounding configurations. Versatile and user-friendly, the happymusic Professional Hum Eliminator accommodates both XLR and 6.35mm TRS connectors. It includes independent XLR and 1/4-inch output ports, functioning as a bidirectional splitter and supporting plug-and-play functionality. Ideal for integration into various audio systems, this XLR/1/4" TRS audio isolator box is perfect for subwoofers, karaoke speakers, mixers, and more. It's widely applicable in professional and recreational settings including clubs, churches, and DJ systems. Color: Black Material: Metal Package Contents: 1*TRS audio isolator box