Lanzar 8'' Marine Subwoofer System – 1000W Waterproof Slim Amplified Woofer with RCA Low Level Input, Remote Control, LED Power Indicators, Adjustable Sensitivity, Bass Boost, and Protection Circuits

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 - PLMRW10

BOSS Audio Systems MRGB10W 10 Inch Boat Subwoofer - 800 Watts Max, Dual 2 Ohm Voice Coil, Multicolor Illumination, Weatherproof, Sold Individually

Kicker KMF10 10-inch (25cm) Weather-Proof Subwoofer for Freeair Applications, 4-Ohm

Polk Audio DB1042 SVC - DB+ Series 10" Shallow Subwoofer for Marine/Car Sound System, 30Hz-200Hz Frequency Response, Single 4-Ohm Voice Coils & Polypropylene Woofer Cone

Clarion CM3013WL 12-inch Marine Subwoofer 300W RMS Power handling Dual 2 ohm Voice coils Built-in RGB Illumination Includes Black & Silver Grilles Water Resistant: IP55 Front

Kicker KMF10 10-inch (25cm) Weather-Proof Subwoofer for Freeair Applications, 2-Ohm

JBL 10" (250mm) Marine Audio Multi-Element subwoofer 200W – (Gray)

Pyle Single Outdoor Marine Audio Subwoofer - 600 Watt 12 Inch White Waterproof Bass Loud Speaker For Marine Stereo Sound System, Under Helm or Box Case Mount in Small Boat, Marine Vehicle PLMRW12