11" Shallow Spare Tire Passive Dual Voice Coil Subwoofer (4Ω)  

The DPSTX12 Shallow Spare Tire Passive Subwoofer from Diamond Audio is a space-saving bass solution designed for drivers who want enhanced low-frequency performance without sacrificing trunk space. Engineered to fit directly into the factory spare tire well, this DMD Series subwoofer provides powerful, controlled bass while maintaining a clean, OEM-style appearance.

Featuring an efficient 11-inch shallow-mount subwoofer with a dual 4-ohm voice coil configuration, the DPSTX12 offers flexible wiring options for easy amplifier matching and system customization. Its shallow design allows for proper fitment in compact spare tire locations while still delivering impressive bass output for daily driving and extended listening sessions.

The enclosure is constructed from solid, non-resonant die-cast aluminum, designed to maximize bass response while minimizing vibration and distortion. This rigid construction improves sound accuracy, durability, and heat dissipation, ensuring reliable performance over time. Designed with installation simplicity in mind, the DPSTX12 integrates seamlessly into a wide range of cars, crossovers, and SUVs.

For enthusiasts seeking a passive spare tire subwoofer that delivers clean bass, preserves cargo space, and supports custom amplifier setups, the DPSTX12 is an ideal upgrade solution.