Description Eliminates ground loop noise between the audio source and radio. For use with portable devices that have RCA audio outputs, including pre-amp outputs Made from High Fidelity Permalloy Transformers to minimize signal loss, unlike other old ground loop isolators with HUGE DISTORTION under 100Hz. Close to perfect response of /- .03 db from 2 to 20,000Hz Super compact design for easy installation in tight space. Split pin RCA connector with pure Oxygen Free Copper spiral shielding wire
