Hi, I am still having trouble with my amplified ear. I noticed that my
> headphones have a dc resistance of 16ohms per ear piece. The ones
> specified in amplified ear has impedances of 32 ohms wired in series to
> create a 64ohm load on Q4.
>
> Could this be why my circuit does not work?
It _could_ be, but it could also be any number of other things. You haven't shown any component values here. Do you even have a meter? Is the mic known good? Have you double-checked all your connections?
We need much more to go on here.
Good Luck, Rich