The boat didn't come with tower speakers, and I'd like to install a set. I don't want to spend a grip of cash, though, cause the boat doesn't get used that much. That said, we only wake surf 99% of the time, so I'm not really looking for a tower set-up that I can hear 80ft behind the boat.

I just want a decently loud set of tower speakers in addition to the 4 interior speakers. I am totally ignorant to this audio jarg, so bear with me.

Could I get away with picking up two tower cans (ebay), a set of pioneer car speakers, and an amp from wal-mart or something of that nature?

Any thoughts on these:

I appreciate the insight, fellas.