AMP Energy 3.5mm Headphone Splitter
$3.72

Belkin Flexible Speaker/Headphone Splitter
$4.03

Hosa Y-Cable - Stereo 3.5mm Male To 2 Stereo 3.5mm Female YMM-232
$4.74

iLuv Black 3.5mm Splitter Adapter With Dual Volume Controls
$6.89

iLuv White 3.5mm Splitter Adapter With Dual Volume Controls
$5.19

iLuv White Headphone iPod® Remote Adapter
$9.36

iLuv Yellow Wire Reel and Ear Tips for Earphones IEA10YEL
$5.88

Koss 3-Band Equalizer EQ-50
$15.58