Brand: Pyle. MPN: PLGI35T. Eliminate that nasty electrical noise and hum caused by ground loops with this Pyle PLGI35T 3.5 mm to 3.5 mm Stereo Audio Ground Loop Isolator. These problems typically occur when multiple components receive power from different locations. The isolator solves that by providing ground path isolation between components while maintaining full frequency. This accessory is designed to work with any music player that outputs stereo via a 3.5 mm connector.  Features. 3.5mm stereo L/R audio on each end; Designed to filter out engine noise emitted from devices while on charge; Breaks ground loops to eliminate engine interference; Designed for use with any audio player with a 3.5mm audio output including MP3 player, iPod, etc.