Monster Interlink Portable 400 MkII - 2 Meters - 1/4-Inch Built-in gold contact stereo mini-jack output splits off to two 1/4" Mono connectors. Time Correct windings reduce distortion for more accurate signal transfer. Incorporates Xtra Low Noise SingleHelix Twist Construction for rejection of inductively coupled noise. For use with all portable audio devices. Built-in gold contact stereo mini-jack output splits off to two 1/4" Mono connectors. Time Correct windings reduce distortion for more accurate signal transfer. Incorporates Xtra Low Noise SingleHelix Twist Construction for rejection of inductively coupled noise. For use with all portable audio devices. For use with all portable audio devices