Amazon.com: BOSS Audio Systems MR50B 5.25 inch Marine Stereo Boat Speakers - 150 Watts (pair), 2 Way, Full Range Audio, Tweeters, Coaxial, Weatherproof, Sold in Pairs : Electronics
Speakers - Hertz car audio systems | The Sound Experience
R 7.7" Marine Speaker – Roswell Marine
JL Audio M3-650X-C-GW (Gloss white with "Classic" grilles) 6-1/2" marine speakers at Crutchfield