Monoprice 103597 Audio Extender over CAT5e Cable<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> The extension of audio stereo and microphone up to 300 meter away by using the Audio Extender and one CAT 5e cable </span></li><li><span class="a-list-item"> Audio Out supports multimedia speakers and headphones or earphones </span></li><li><span class="a-list-item"> Mic In supports Condenser Microphone and Dynamic Microphone </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41797sl8ZxL.jpg" noproxy>