Description: 【Function】Audio Isolator Box, effectively eliminates ground loop hum, electrical interference, and noise caused by phase differences between long audio cables and various devices, delivering clean and full stereo sound quality 【Material】Features copper gold plate audio jacks that resist rust and withstand frequent plugging/unplugging, while protecting your equipment from damage due to excessive input; robust aluminum alloy housing offers durability and high anti interference performance 【with Ground Switch】Equipped with a manual ground switch to disconnect the ground connection when noise issues arise, preventing unwanted hums or buzzes caused by improper grounding configurations 【Compatible】 Double purpose input ports support both XLR and 6.35mm TRS connectors for versatile compatibility; independent XLR and 1/4" output ports on the rear panel allow simultaneous bi-directional distribution. Simple plug and play operation with a compact design makes it easy to use anywhere 【Application】Ideal for integration into audio systems such as subwoofers, karaoke speakers, mixers, guitar, keyboards, and other devices requiring noise reduction; widely used in clubs, churches, PA systems, monitor setups, karaoke venues, DJ rigs and more professional or entertainment environments Size Chart: 8.8cmx5.8cmx4.2cm/3.46inchx2.28inchx1.65inch Package Includes:1 Audio Isolator Box Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.