Pyle PLGI35T 3.5 mm/1/8-Inch Stereo Audio Ground Loop Isolator 3.5mm / 1/8'' Female Stereo Audio Input 3.5mm / 1/8'' Female Stereo Audio Output Designed to filter out engine & component noise Breaks Ground Loops to Eliminate Engine Interference Designed for use with all audio players with 3.5mm/1/8'' audio outputs: iPods, MP3 players, etc.