Use box speakers when you don’t want to cut holes in your boat to flush mount speakers. Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 16 32 All Boss Audio MR43B Black 3-Way Component 100 Watt Waterproof Box Marine Speakers $57.95 Rated 3.50 out of 5Add to cart Boss Audio MR43W White 3-Way Component 100 Watt Waterproof Box Marine Speakers $57.95 Add to cart