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Custom-made subwoofer box for two speakers

A one-off box that beautifully houses and lets you enjoy two low-bass drivers in your beloved car.

[One-Off Woofer Box for Two Drivers|Subwoofer Box Made to Suit Your Vehicle]

I want to enjoy a slightly more substantial, deeper bass using two subwoofers. However, commercially available woofer boxes are often hard to fit in the trunk, or they may not match how you need to use the car.

That’s where an one-off woofer box made for two drivers, tailored to your vehicle and how you drive comes in.

A subwoofer isn’t just about making louder sound. You also need to consider the amount of bass, the way it connects with the front speakers, how tightly the sound lands, and even how it sits inside the trunk.

If the box’s internal volume and shape, the woofer orientation, the mounting method, and other factors don’t match your vehicle, you may end up with bass that stands out too much or sounds blurry. On the other hand, if you build it to fit your car’s available space and the system as a whole, you can naturally add the low end that forms the foundation of your music.

The Extra Thickness of Two Drivers—In a Form You Can Use Every Day

A two-driver woofer box is ideal for those who feel one driver is a little underwhelming, or for anyone who wants to enjoy not only more volume but also a stronger sense of presence from the bass.

When you listen to your favorite songs, the thickness of the bass and kick drum may become easier to feel, and there may be more room in the vocals and mid-to-high range. Even if you want strong bass output, it’s important to aim for a listening experience that stays balanced across the entire cabin.

Also, the best shape changes depending on how much you use the trunk and how you load and unload your luggage. If you want to prioritize sound while still keeping everyday usability, there are ways to tailor it through one-off fabrication.

Why We Build It “Log On”

A one-off woofer box for two drivers isn’t something we make and call it done.

We proceed while thinking through overall balance—confirming the subwoofers you’ll use, the combination with your existing car audio system, how it pairs with the amplifier, and even the installation method inside the cabin. After installation, it’s also important to adjust while checking how it integrates with the front speakers.

If I were doing it, the more we add two woofers, the more I wouldn’t decide based only on appearance or sound pressure. I’d organize how you use the car and how you like to listen first. Since you’re taking the time to have it built, I want it to be more than just “more bass”—I want it to deliver a finish that lets you enjoy music comfortably on your everyday drives.

Because the fabrication details vary depending on the trunk shape and the woofers you use, we guide you with specific configurations while checking your actual vehicle and system. If you want a bit more thickness in your current sound, or if you want to make proper use of two subwoofers, please feel free to reach out.

Let’s work together to design a shape that suits your car and build a bass system you can use comfortably for the long term.

List price¥ 165,000 (Tax included)