west mountain radio makes some rf shielded speakers I believe. Or what I would do is get a little amplifier and speakers. I have an old pioneer and it is completely rf immune. it is one of the old ones with no tuner, you can often find them at thrift stores for dirt cheap.
On Mar 9, 2011, at 10:25 AM, Steve Forst wrote:

> 		Re: OffTopic: trying to get a PC to play audio through monitor speakers
> 
> I had sent this earlier, butmade the mistake of replying to a reply, and 
> it didn't get to the list:
> 
> 
> Tom,
> 
> Glad you got the monitor speakers working.  As for the RFI:  These pc 
> speakers can be a pain sometimes.
>   The problem is very often the wall wart sending  power to the 
> speakers.  Try a ferrite on the cord from the wall wart  and also on the 
> audio cables.
> Sometimes it's better to clamp everything and if the problem is gone, 
> remove them one at a time until you find which one really solved the 
> problem.
> 
> Try plugging the wall wart into another outlet on a different circuit. 
> Even if you need to use an extension cord and run it to another room. 
> Are you running
> the amp/radio/pc on the same circuit?  Maybe getting the amp onto a 
> different  a.c. circuit will help things in the shack.
> 
> 73, Steve KW3A
> Re: OffTopic: trying to get a PC to play audio through monitor speakers
> Tom,
> 
> Glad you got the monitor speakers working.  As for the RFI:  These pc 
> speakers can be a pain sometimes.
>   The problem is very often the wall wart sending  power to the 
> speakers.  Try a ferrite on the cord from the wall wart  and also on the 
> audio cables.
> Sometimes it's better to clamp everything and if the problem is gone, 
> remove them one at a time until you find which one really solved the 
> problem.
> 
> Try plugging the wall wart into another outlet on a different circuit. 
> Even if you need to use an extension cord and run it to another room. 
> Are you running
> the amp/radio/pc on the same circuit?  Maybe getting the amp onto a 
> different  a.c. circuit will help things in the shack.
> 
> 73, Steve KW3A