2-channel audio signal isolator is designed to eliminate ground loop hum, ensuring a clean and noise-free audio experience. By isolating the ground loops that cause unwanted electrical interference, our isolator effectively eliminates buzzing and humming sounds in sound systems, conference microphones, audio players, and more. The RCA (L/R) input and output connections, along with the switchable common ground, provide distortion-free transmission and transform unbalanced coaxial signals into balanced lines for long-distance transmission. Ideal for radio and TV audio transmission, professional audio performances, laptop-to-mixer connections, and more. By effectively isolating the current-induced hum caused by ground loops, it prevents power supply interference and unwanted background noise. Protect your equipment from static electricity and excessive voltage differentials while preserving the purity and clarity of your audio signals. Its compact and portable design allows for easy storage and transport. Whether you're setting up a sound system, connecting video systems to speakers, or linking various audio devices, our isolator provides a hassle-free solution for eliminating hum and improving audio quality. Its robust construction and reliable insulation protect your equipment from strong electric shocks, providing a shield against potential damage. Trust in our passive audio isolator to deliver consistent and reliable results, allowing you to enjoy uninterrupted, high-quality audio in any setting. Color: Black Material: Aluminum Alloy Package Contents: 1*Audio Noise Filter 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.