4. HiFi Performance--The Ground Loop Audio Noise Eliminator could work with amplifiers, speakers or mixers, with stable performance, high precision and good reliability. Let you eliminate car speakers / home stereo systems humming sound away and enjoy a perfect sound.
5. Wide Application-- Audio Noise Isolator Filter for Eliminating ground loop noise between the audio source and radio. Used for portable devices that have 6.35 1/4" TRS audio outputs Home Stereo Speakers Amplifier Equalizer ect.