RRJ12BNCCOUP2 RJ12 to BNC Conversion Adapter with Audio Pass Through (Gray)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Contains audio/video/power in one simple cable</li><li>Converts to BNC for use on BNC ports/DVR’s that support audio also</li><li>Adapter separates audio to RCA male， power to 2.1mm socket and BNC video</li><li>Contains audio/video/power in one simple cable</li><li>Converts to BNC for use on BNC ports/DVR's that support audio also</li><li>Adapter separates audio to RCA male， power to 2.1mm socket and BNC video</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41D8ztAGwoL.jpg" noproxy>