[ElMartillo]

Originally Posted by Big Band Guitar

Contact Fishman, they have great customer service.

https://www.fishman.com/contact/

So I contacted Fishman. Reply is send the preamp unit in, for a $50 fee plus return postage, they will fix the unit if possible. If they can't fix it they will replace it with the most similar current version which I believe is the Prefix+T.

You're right. That's pretty good CS.

Cheers!