I much prefer a mic, but I do understand that in certain situations the realities of environment might make it very difficult.
I wouldn't mind trying the new Zoom AC-2 being fed with my K&K Pure Mini transducer.
Zoom Youtube introduction:
https://youtu.be/Eu6rCN4FPxo
Josh Turner discusses use:
https://youtu.be/FsY_4tV134U
Josh Turner demos the Zoom AC-2:
https://youtu.be/e4-v1ZNILbA