Kicker KM65 6.5-Inch (165mm) Marine Coaxial Speakers with 3/4-Inch Tweeters, LED, 4-Ohm, Charcoal and White Grilles - Creative Audio
Best 8” Boat (Marine Grade) Speakers in 2023 - CarAudioNow
Amazon.com: Pyle 10-Inch Outdoor Marine Audio Subwoofer - 500 Watt Single White Waterproof Bass Loud Speaker For Marine Stereo Sound System, Under Helm or Box Case Mount in Small Boat, Water Vehicle -