HDMI ARC is the answer to your pleas... Your TV has to have at least one ARC (audio return channel) port.
EDIT: Oh shyte, I just read that you have not HDMI... hmmm, maybe if the switch has headphone jack, can still be used while docked? Havent seen a diagram of the system to tell the truth.

"We all make choices, but in the end, our choices make us" - Andrew Ryan, Bioshock.







