Pooh Bear wrote:

There are some pretty cool RF modules over at www.sparkfun.com
Likely wouldn't be terribly difficult to interface to A\D and D/A
converters to make a high-quality digital wireless link.

Interesting link ( more for the other stuff actually ). Can any of them
handle a 1.4 Mbps ( CD audio quality ) link with no errors ?

I think "FM radio" quality is a more realistic goal for wireless
speakers.