PAC SNI-1/3.5 3.5-mm Ground Loop Noise Isolator Works with iPod/Zune/iRiver and Others
PAC SNI-1/3.5 preamp noise filter plugs in between your receiver's auxiliary input and your portable music player and helps reduce noise caused by ground loops. The filter includes a female 3.5mm input, a male 3.5mm output, and 10 inches of cable for each jack.