Spare Tire


Feel the Beat, Not the Bulk: Spare Tire Subwoofers - Where Sound Meets Space

In the realm of car audio, the pursuit of deep, resonant bass typically comes at the cost of valuable space. However, spare tire subwoofers offer a groundbreaking solution, ingeniously integrating powerful audio into a space often overlooked: the spare tire well. 

Here we will discuss the world of spare tire subwoofers, an innovative approach to car audio that merges unobtrusive design with potent sound performance. Ideal for audio enthusiasts who are unwilling to compromise on either space or sound quality, these subwoofers harness the unused area in your vehicle's trunk, creating an audio experience that is both space-efficient and sonically rich.

 Whether you're a casual listener or a hardcore audiophile, this exploration into spare tire subwoofers will open your ears to a new realm of possibilities in car audio.

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What makes a spare tire sub  unique?

• Space-Saving Design: The most distinguishing feature of a spare tire subwoofer is its design that allows it to fit into the spare tire compartment of a car. This clever utilization of space ensures that you get powerful bass without sacrificing trunk space or altering the car's interior aesthetics.

• Custom Fit: These subwoofers are often designed to fit specific car models, ensuring a seamless integration into the vehicle. This custom fit not only improves the look but also enhances the sound quality, as the subwoofer can be precisely tuned to the acoustics of the specific vehicle.

• Efficiency in Sound Delivery: Spare tire subwoofers are positioned in a central location in the vehicle, often leading to a more uniform distribution of bass throughout the car. This can provide a more immersive listening experience compared to traditional subwoofers.

• Ease of Installation: Since these subwoofers are designed to fit into existing spare tire wells, they can be easier to install compared to traditional subwoofers that might require more extensive modifications to the vehicle.

• Stealthy and Secure: Being hidden away in the spare tire well, these subwoofers are less visible to potential thieves, offering a security advantage. They also preserve the original look of the vehicle's interior, which can be preferable for those who want to maintain a stock appearance.

• Vibration Control: The location and design can also contribute to reduced vibration and rattling compared to conventional subwoofers, which can sometimes cause unwanted noise and vibration in the car's body.

• Integration with Existing Systems: Many spare tire subwoofers are designed to work in conjunction with the car’s existing audio system, making them an effective upgrade without the need for completely overhauling the current setup.


The FEM AUDIO STS-F12 is a 12-inch active subwoofer designed to fit conveniently in the spare tire compartment of a vehicle. It offers a powerful and deep bass experience, enhancing the overall audio output of your car's sound system.

Key Features:

Space-Saving Design: Specifically crafted to snugly fit atop the spare tire, providing a robust bass performance without taking up extra space.

User-Friendly Controls: Features easy-to-access adjustment knobs for quick and effortless sound customization.

High Power Output: Delivers 150W RMS and 300W peak power, ensuring impactful and deep bass.

Wide Frequency Response: Ranges from 20Hz to 150Hz, catering to a broad spectrum of low-frequency sounds.

High Signal-to-Noise Ratio: Greater than 90dB, ensuring clear and clean sound output.

Stealthy and Secure: Its hidden installation in the spare tire area makes it less visible to thieves.

Vibration-Free Sound: When mounted in the spare tire, it transmits sound evenly throughout the vehicle without vibrations or unwanted noises.

High-Quality Components: Includes a 12" high excursion subwoofer with flexible rubber surrounds and a PWM MOSFET power supply amplifier.

Versatile Installation Options: While optimized for spare tire mounting, it can also be installed in the trunk or under the seat.

Comprehensive Installation Kit: Comes with a plug-and-play wire harness and a wired 20-foot dash remote for adjustable gain, bass boost, low pass crossover filter, and phase control.

Advanced Features: Equipped with auto turn-on/off, soft delayed remote turn-on, and protection circuits (thermal, short, overload).

Durable Construction: Features a cast aluminum casing for longevity and durability.

The FEM AUDIO STS-F12 is an ideal choice for car audio enthusiasts looking for a powerful, clear, and space-efficient subwoofer solution. Its design and technical capabilities make it a versatile and user-friendly addition to any vehicle's audio system.

Frequently asked questions

What is a spare tire woofer and how does it differ from traditional subwoofers?

A spare tire subwoofer is a type of car audio subwoofer designed to fit into the spare tire well of a vehicle. This design is more space-efficient compared to traditional subwoofers, as it utilizes an often-unused area in the car, allowing for better space management without sacrificing cargo area.

Will a spare tire subwoofer fit in any car?

Spare tire subwoofers are designed to be universally compatible with most vehicles that have a spare tire well. However, it's important to check the dimensions of both the subwoofer and your spare tire well to ensure a proper fit. Some vehicles with unique or smaller spare tire wells might require specific models or custom solutions.

How does the installation of a spare tire subwoofer work?

Installation typically involves placing the subwoofer in the spare tire well, connecting it to the car's audio system, and securing it in place. Most spare tire subwoofers come with a plug-and-play installation kit, making the process easier. However, professional installation might be recommended for those unfamiliar with car audio installations.

Does a spare tire subwoofer affect the sound quality compared to regular subwoofers?

Spare tire subwoofers can provide excellent sound quality, often comparable to traditional subwoofers. The enclosed space of the tire well can even enhance certain low-frequency responses. However, the sound experience can vary based on the subwoofer's quality, the car's acoustics, and the installation.

Article Spotlight

Best Spare Tire Subwoofers For Car Audio

🔊 Spare tire subwoofers are designed to fit in the spare tire wheel well, making them ideal for maximizing trunk space without compromising on sound quality.

🎶 They typically use a passive radiator design to produce sound waves, allowing for a slim profile while still delivering deep bass and excellent sound quality.

🚗 The main benefits of spare tire subwoofers include space efficiency, easy installation, and high-quality sound. However, they can be more expensive than traditional subwoofers and might be a target for theft due to their accessibility.

💡 When buying a spare tire subwoofer, consider factors like space and compatibility with your car, power and sensitivity, sound quality, and durability/build quality.

⚖️ Comparing top models, such as the FEM Audio 12" Active, JBL BassPro Hub 11", and Rockville RockGhost V2 Powered 11", can help you find the best fit based on power output, sound quality, and design.

📊 Spare tire subwoofers differ from traditional subwoofers in terms of installation space required, sound quality, and bass response. The choice between the two depends on your car's space and sound system requirements.

🛠️ Installing a spare tire subwoofer typically involves a straightforward process with a wiring harness and potentially a remote controller for adjustments.

🤔 It's crucial to understand your car's electrical system and the subwoofer's power requirements for a successful installation.

❓ Common questions about spare tire subwoofers include their functionality, advantages over traditional subwoofers, and compatibility with different car models.

🚘 In conclusion, spare tire subwoofers are an effective solution for enhancing car audio systems in vehicles with limited space, offering a blend of high-quality sound and space efficiency.

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