LeeQinersw Generic RCA Audio Noise 4 Channel Professional Noise Reducing Ground Loop.This RCA Audio Noise is designed for both car and home stereo systems. It effectively eliminates the humming and buzzing noise between the power supply and the amplifier.The Ground Loop Isolator works as a passive online device, providing an isolating circuit between the host and amplifier when used in car audio systems.The RCA Audio Noise is equipped with 2 RCA male connector and 2 RCA female connector, it has a rated current of 15A, rated input of 30W, and Peak input of 60W.This RCA Audio Noise is made from PP material for durability with dimensions of 10cm.The Car Audio Noise effectively isolates and eliminates noise caused by ground loops in audio circuits through its 4 channel ground loop isolator. It ensures that the cover grounding on each audio cable is isolated from any device ground, which could potentially cause sound noise when amplified.4 Channel RCA Audio Noise . Ground Loop Isolator with Male Female connector. Amplifier Noise for Car Audio Home Stereo. Universal Car Stereo Accessory Eliminate Noise. Car Stereo Noise Reducer 15A.