Description: [Wide Use]:This for RCA Audio Noise Filter Suppressor is designed for both car and home stereo systems.It effectively eliminates the humming and buzzing noise between the power supply and the for amplifier. [Passive Online Device]:The Ground Loop Isolator works as a passive online device,providing an isolating circuit between the host and for amplifier when used in car audio systems. [Noise Isolating]:The Car Audio Noise Filter 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. [Material and Size]:This for RCA Audio Noise Filter Suppressor is made from PP material for durability with for dimensions of 10cm. [Specifications]:The for RCA Audio Noise Filter is equipped with 2 for RCA male connector and 2 for RCA female connector,it has a rated current of 15A,rated input of 30W,and Peak input of 60W. Specifications: Connector:2 for RCA male,2 for RCA female Rated current:15A Rated input:30W Peak input:60W Size: 10cm/3.94inch Note: Please allow slightly errors 1-2cm differences due to manual measurement. Package included: 1 Audio Noise Filter Suppressor