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Diamond Audio 11" DMD Series Spare Tire Active Subwoofer Enclosure - DAST12

Diamond Audio 11" DMD Series Spare Tire Active Subwoofer Enclosure - DAST12

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Diamond Audio 11" DMD Series Spare Tire Active Subwoofer Enclosure - DAST12

The DAST12 Spare Tire Active Subwoofer Enclosure from Diamond Audio is the perfect solution for adding powerful bass without sacrificing valuable trunk space. Designed to mount directly in the spare tire well, this innovative DMD Series subwoofer delivers clean, controlled low-frequency performance while keeping your cargo area completely usable.

Engineered for both convenience and performance, the DAST12 features an integrated amplifier and an efficient 11-inch subwoofer optimized for compact enclosures. This design allows you to enjoy deep, impactful bass that enhances your factory or aftermarket audio system without the need for bulky enclosures or permanent modifications.

The enclosure is constructed from solid, non-resonant die-cast aluminum, providing exceptional rigidity to reduce vibration and distortion while maximizing bass output. Its durable design also improves heat dissipation and long-term reliability. Built with ease of installation in mind, the DAST12 integrates cleanly into a wide range of vehicles, making it an ideal upgrade for cars, crossovers, and SUVs.

For drivers who want strong bass performance while preserving interior space and maintaining a factory-clean look, the Diamond Audio DAST12 offers the ultimate spare tire subwoofer solution.

What our Experts Think
  • Bass without losing cargo space – The DAST12 is designed to fit in the spare tire area, adding deep bass while keeping your trunk clean and usable.
  • All-in-one powered solution – Built with an integrated amplifier and 11-inch subwoofer, making installation easier without needing a separate sub amp.
  • Strong low-frequency performance – Delivers up to 150W RMS / 600W Max power with a 2Ω design for efficient bass output.
  • Premium compact construction – The non-resonant die-cast aluminum enclosure helps reduce vibration while improving durability and bass accuracy.
  • Great OEM-style upgrade – Ideal for drivers who want fuller bass response from a factory or aftermarket system without installing a bulky subwoofer box.
   
Q&A  

Q: What is the Diamond Audio DAST12 designed for?
A: It is an 11-inch spare tire active subwoofer enclosure designed to add powerful bass while saving interior cargo space.

Q: Does the DAST12 include a built-in amplifier?
A: Yes. It features an integrated amplifier for a simple all-in-one bass upgrade.

Q: Where does this subwoofer install?
A: It is designed to fit in the spare tire area, providing a hidden, space-saving audio solution.

Q: What type of bass performance can I expect?
A: The DMD Series enclosure delivers deep, controlled bass with efficient output for enhanced vehicle audio systems.

Q: Is installation easy?
A: Yes. Its compact design and active enclosure setup make it a convenient upgrade for many custom audio installations.

 
Maintenance Tips    
  • Clean the enclosure and controls with a soft, dry microfiber cloth.
  • Keep the subwoofer protected from excessive moisture, spills, and direct heat.
  • Inspect power, ground, and speaker connections regularly for tight, corrosion-free contacts.
  • Ensure the enclosure remains securely mounted in the spare tire area.
  • Keep ventilation areas clear to prevent built-in amplifier overheating.
  • Avoid prolonged maximum-volume playback to reduce distortion and extend lifespan.
  • Check wiring and fuse connections periodically for wear or damage.
  • Adjust gain and crossover settings properly for clean, balanced bass performance.