So, I've happened across the service manual for our old friend the GX80/85....
A while ago, a brave soul on DPReview cracked open his LX100, located where the internal mics connected and made a breakout cable.
Its documented here
So with the aid of the newly acquired GX80/85 service manual, I had a look to see where the mics were and was there a similar potential.
The good news is that there is.
The mics themsel