Pyle PLUTV41BK 2-Way Dual Waterproof Off-Road Speakers, 4 Inch 800 Watt Marine Grade Wakeboard Tower Speakers System, Full Range Outdoor Audio Stereo Speaker for ATV, UTV, Quad, Jeep, Boat -Black
Boss Audio Systems 400 WATTS MAX POWER 4" 2-Way Marine Grade Roll Cage/Wake Tower Speaker System, Featuring Poly Injection Cone and Aluminum Voice Coil, and Quick-Fit Terminal Design for Easy Installation, Sold
Pyle 2 Way 4 Inch Off Road Bluetooth 800W Waterproof Marine Speakers (Open Box) 842893105710 | eBay
Pyle 6.5 Inch Marine Speakers with Bluetooth Remote Control, Black (4 Speakers) | eBay