Features: [Ground Loop Isolator]: Our 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. [Superior Sound Quality]: With its high-quality components and passive design, our ground loop isolator maintains the integrity of your audio signals. 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. [Hum Eliminator for Noise-Free Performance]: Experience crystal-clear sound reproduction with our ground loop isolator. 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. [Easy to Use and Compact]: Our ground loop isolator Features RCA interfaces for convenient plug-and-play installation. 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. [Reliable and Sturdy]: Crafted with sturdy materials, our ground loop isolator ensures long-lasting performance. 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. Specifications: Channel: 2 Input/Output Interface: RCA/RCA Input/Output Impedance: 600 Ohm /600 Ohm (AC impedance) Isolation Voltage: AC50Hz-60Hz0v-1500v Insulation Resistance: DC1000V 100MQ Frequency Response: 0-20KHZ (+/- less than 0.2 dbref) Input Level: +28dBu (THD less than 0.5%, 50Hz THD less than 0.01%, 1KHz) Loss Attenuation: -0.5DB at 600Q load Distortion: 0.0025% (+4DBU1KHZ) Product Color: Black Product Size: 10.5 * 3 * 2.5cm/4.1 * 1.2 * 1inch Product Weight: 81g/2.8oz Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-2cm measuring deviation due to manual measurement. Package List: 1 * Audio Signal Isolator 1 * Instructions