11" Spare Tire Passive Subwoofer Enclosure (4Ω DVC) Maximize your bass without sacrificing cargo space with the Diamond Audio DPST12 DMD Series 11” Spare Tire Passive Subwoofer Enclosure (4Ω DVC). Designed to fit seamlessly inside your vehicle’s spare tire well, this innovative spare tire subwoofer enclosure delivers powerful low-frequency performance while keeping your trunk fully usable. Engineered for efficiency and output, the DPST12 features an 11-inch subwoofer with a 4-ohm dual voice coil
