Simply the best speaker system you can buy for your boat. Our Tubby Speaker System has a new look for the 2002 season. Each system contains four 150 Watt Bazooka Marine Speakers (two speakers in each Tubby). The M600 is a water-proof speaker with a sealed housing and rubber surround, make to handle wet conditions. The speakers are contained in a 100% billet aluminum housing and are available in either a powder coat or hand-polished aluminum finish.