Ocean Breeze Marine Speaker Spacer For JL Audio M & M7 Series 12" Subwoofer - .25" - White - Rock The Boat Audio
JL Audio Marine Subwoofers at Crutchfield
12-inch Subwoofer from JL Audio - Marine Professionals Incorporated (MPI)
JL Audio M7 12" Marine Subwoofer Driver - 93673
JL Audio® M3 10" Marine Subwoofer | Quality Auto Sound | Western United States
JL Audio MCS-10IB5-4-AB-BR:10-inch (250 mm) Marine Subwoofer Driver Anthracite / Black Sport Grille, OEM brown box package with Black Badge - Creative Audio