Car Audio Noise Isolator Filter Radio Noise Eliminator for Auto Truck Boat Speakers Amplifier Equalizer RCA Signal

【PLEASE NOTE: If you are not sure about a compatible device, please contact us before purchasing】Eliminates DC Current from the car audio RCA input. Eliminates ground loop noise from radio pre-amp outputs. Reduces most noise in your RCA signal path. The audio noise isolator's metal shell creates a shield from ground noises to electromagnetic signals.. 【Application Scenario】This audio noise isolator is especially useful when your car is equipped with a power amplifier or subwoofer. Also works on that there are noises when the car accelerates, the higher the speed, the louder the noises.. 【How to connect】Input Ports: white for right channel, red for left channel. Output Ports: white for right channel, red for left channel.. 【Product Dimensions】 6.4 x 4.3 x2.5 cm/2.52 x 1.7 x 0.98 inch. The shell made by metal, reliable and strong.. 【Reliable Service】Ready to respond within a 24 hour time frame. 30-Day money back guarantee, 12 month replacement and lifetime Support.