Diamond Audio 11" DMD Series Slim Spare Tire Active Subwoofer Enclosure - DASTX12
The DASTX12 Slim Spare Tire Active Subwoofer Enclosure from Diamond Audio is a smart, space-saving bass solution designed for drivers who want powerful low-frequency performance without giving up valuable trunk space. Engineered to mount directly into the factory spare tire well, the DASTX12 delivers clean, controlled bass while maintaining a factory-clean appearance.
Part of the DMD Series, this slim active subwoofer features an integrated amplifier paired with an efficient 11-inch subwoofer optimized for compact, low-profile enclosures. The result is deep, punchy bass that enhances both factory and aftermarket audio systems without the need for bulky enclosures or complex installation.
The DASTX12 is housed in a solid, non-resonant die-cast aluminum enclosure designed to maximize bass output while minimizing vibration and distortion. The rigid aluminum construction also improves heat dissipation, ensuring consistent performance and long-term reliability. Designed with easy installation in mind, the DASTX12 fits a wide range of vehicles, making it an ideal upgrade for cars, crossovers, and SUVs.
For drivers seeking strong bass, minimal intrusion, and a clean OEM-style install, the DASTX12 is the ultimate spare tire subwoofer solution.
What our Experts Think
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Slim spare tire active subwoofer enclosure designed to deliver powerful bass while preserving valuable cargo space.
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DMD Series engineering provides deep, controlled low-frequency response with enhanced audio performance.
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Built-in amplifier design creates an all-in-one bass solution for easier installation and system integration.
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Spare tire placement design keeps the vehicle interior clean while adding impactful bass.
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Compact enclosure profile makes it ideal for vehicles where space is limited.
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Easy integration works well with factory and aftermarket audio systems.
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Durable construction supports reliable performance for daily driving and long-term use.
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An excellent choice for enthusiasts wanting a hidden, space-saving bass upgrade with strong output.
Q&A
Q: What is the Diamond Audio DASTX12 designed for?
A: The DASTX12 is an 11" DMD Series slim spare tire active subwoofer enclosure designed to add deep bass while saving cargo space with a hidden in-vehicle installation.
Q: How much power does the DASTX12 deliver?
A: It features a built-in Class D amplifier that provides powerful bass output from a compact spare tire-mounted enclosure.
Q: Does the DASTX12 save trunk space?
A: Yes. Its low-profile spare tire design allows bass upgrades without taking up valuable cargo room.
Q: What features improve the DASTX12 bass performance?
A: It includes a ported enclosure design, adjustable bass controls, crossover tuning, and remote level control for customized low-frequency performance.
Q: Why choose the Diamond Audio DASTX12?
A: It combines space-saving installation, integrated amplification, powerful bass response, and clean OEM-style integration for a premium audio upgrade.
Maintenance Tips
- Clean the subwoofer enclosure surface with a soft microfiber cloth to remove dust and debris.
- Keep ventilation areas clear to maintain proper cooling and consistent bass performance.
- Inspect power, ground, speaker, and signal connections regularly for secure, corrosion-free contact.
- Check mounting hardware periodically and tighten if vibration causes loosening.
- Avoid exposing the enclosure to excessive moisture, heat, or direct sunlight.
- Use proper gain, crossover, and bass settings to prevent distortion and extend subwoofer life.
Damage 
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