if you'd looked through Concertone's website, you don't have to pay $700 for the latest/greatest.
you can get refurbed or used units for much less:
or you can find older units on Ebay all the time.
i have the same unit in my 2007 Roo 23SS. but i'm not into needing all the latest stuff audio/video-wise, when i camp.
i camp to get away from all that and i use bluetooth headphones, when i want to listen to music.
but i agree that better speakers will make a huge improvement.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC