You didn't really state your expectations from the amp, so I'll offer my suggestion of a Peavey Micro Bass. Small, 8" speaker, Peavey tough tolex covering. Not the fullest range bass amp, but will just keep up with a couple of acoustic being sawed in half with a pick. You know those guys! And for the used price of around $50, you don't have to lose sleep over it being left in the trailer. They say the made in USA version is better. I don't who they are, but owning both versions, I tend to agree. I only wish it ran on batteries.