headphone (was: RE: Price of the Freerunner spare parts)

[Marcus Bauer]

On Tue, 2008-03-25 at 18:58 -0700, steve wrote:

> But onto your specifics:
> 
>  
> 4. Headsets. It’s a standard part.  

Hi Steve,

I looked on the wiki pages but can't find the specs. As nokia headsets
with a 2.5mm plug don't work (different wiring and impedance) there are
apparently several standards for headsets.

Can you tell us which wiring the jack uses and what impedance the
earplugs have?

thanks
marcus