A:Answer The Y, Pb, Pr ports are what are referred to a Component ports (Red/Green/Blue). They are only for video signals and they do not carry audio signals. The only audio output on the LG 32 inch Class 720p HD TV (31.5'' Diag), Model # 32LM505BBUA is the Optical Digital Audio Output in the back of the TV. To connect the Analog Stereo RCA barrel ports on your wireless headset to this port, you will need to purchase a Digital/Analog Converter that has the necessary ports to connect to the TV and to your wireless headphones. If you don't have one, you will also need an Optical,cable...^IFV