When i got my boat i boght and installed a west marine special
Combo a duel unit that did t have alot of. Volume when driving the boat sonthis week i installed a sony 600 watt amp i got at best buy and some. Atine 100 watt speakers. So far so good i am real hPpy with the results And it was a easy install aside from running wires to the hullsides for speakers
http://www.audiosavings.com/products...mp/XM604M.aspx