On its own this pickup produces a truly awful ‘quacky’ sound that no EQ could overcome. The sound is not really useable.
I then tried putting this signal through an L R Baggs Para Acoustic DI. This has a five band EQ , volume control and XLR socket for output to a PA and a jack socket for output to an amplifier. For some reason this really sweetens the sound no matter what EQ settings are used but still not good enough.