Metra WM-RCAY is a stereo RCA Y-adapter cable used to split the audio source from one input/output to two. It comes with one male to 2 female adapters and one female to two male adapters. The adapter is easy to install and provides a secure connection. The Metra WM-RCAY stereo RCA Y-adapter cable is a good choice for anyone who wants to split the audio source from one input/output to two. It is easy to install and provides a secure and reliable connection. We at Metra always strive to listen to our customers. You have told us to do a better job at telling the Metra story. For over 70 years, Metra has maintained its cutting edge by paying attention to our marketplace and innovating products to fit the needs of the installer.