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Ground loops create noticeable hum in home audio systems, and alternator whine (also known as engine noise) in car audio systems. Eliminate both with the Parts Express 3.5mm heavy duty metal shell stereo audio ground loop isolator.

High-end ground isolator, for preventing signal interference and hum loops which may occur, e.g. when connecting the car radio to an amplifier.

Ground isolator, compact design, for preventing signal interference and hum loops which may occur, e.g. when connecting PC sound cards or laptops to an amplifier.

Ground isolator, compact design, for preventing signal interference and hum loops which may occur, e.g. when connecting PC sound cards or laptops to an amplifier.

High-end ground isolator, for preventing signal interference and hum loops which may occur, e.g. when connecting the car radio to an amplifier.

Ground isolator, compact design, for preventing signal interference and hum loops which may occur, e.g. when connecting PC sound cards or laptops to an amplifier.

Ground isolator, compact design, for preventing signal interference and hum loops which may occur, e.g. when connecting PC sound cards or laptops to an amplifier.