Hosa YMP-137 Stereo 3.5mm(M) To Dual Mono 1/4(F), 6-Inch
This is a 6" 3.5mm Stereo Male to Dual Mono 1/4" Female Y-Cable.
This cable is designed to split a stereo signal. Black- and red-coded mono phone jacks indicate left and right respectively. It may also be used to adapt a stereo cable with mono phone plugs to a mini stereo phone jack.