Kicker 40KMMTES 4 Inch Marine Weather-Proof Speakers Tower Empty Enclosure, Pair

Speaker Fitting 4-inch speakers Tough ABS, weather proof empty enclosures with slotted mounting holes for different bolt patterns Nine degree axis rotation in either direction for aiming maximum sound quality Fits Mounting Tube Sizes 7/8", 1", 1 1/8", 1 1/4" round or 1" square Stainless steel push type connectors Mounting hardware and polyfill Billet aluminum mounting brackets Adapter inserts for varying mounting diameters Weight: 4 pounds Manufacturer warranty: 1-year warranty