>> In actuality...all the I-Pod does is play/record sound (and not very well due to
>> the frequency/tones of heartbeat & pulse)...so...the digital stethoscope is self
>> amplified and could operate without the I-Pod if I had a battery powered stand
>> alone speaker system I could plug into directly with the scope...or as you
>> suggested (great idea), a wireless transmitter that could then relay the signal
>> to a good powerful receiver.   Any suggestions (brand/model) along either line?

> Nothing specific.  Google for "battery powered speaker".  Lots of
> hits.  

> I would be tempted to suggest a battery power boom box or karaoke box.
> What I'm worried about it that someone is going to run it with the
> stethescope while charging the internal batteries.  Too big a risk, so
> we're back to wireless again.

> Look at the wireless microphones available for persentations.  They're
> usually in the commercial sound business sites.  While most have a
> built in microphone, there are a few that allow external mics. They're
> unfortunately kinda pricy.  You might do better with wireless speakers
> that are made to run off a hi-fi.  You didn't supply any interface
> specifications, but if the stethescope puts out home hi-fi line levels
> (about 0dBm), one of these should work.

> I gotta run, but I'll see if I can find something later today.