Founded in 2023, Additive Car Audio is dedicated to revolutionizing your automotive audio experience. With over a decade of expertise in 3D printing, we have transformed our passion into a professional venture, specializing in high-quality automotive car subwoofer boxes designed to replace stock subwoofers.

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Silver Ford F-150 truck parked in scenic mountain landscape with autumn trees.
Blue SUV parked on a sandy beach, with dunes and ocean in the background, under a cloudy sky.

Upgrade Your Sound System!

Elevate your automotive audio system by replacing your stock subwoofer with one of our expertly designed 3D printed subwoofer boxes. Experience enhanced sound quality and performance, tailored to your listening preferences. Our products not only improve audio output but also add a touch of sophistication to your vehicle's interior.

Bronco 4 Door CompRT Subwoofer

See what
we've done so far

Line drawings of a sports car from different angles, showcasing front, rear, side, and top views.
Tan leather car door interior with Bose speaker, window control, and silver handle.

Precision Engineering

Utilizing state-of-the-art 3D laser scanning and Fusion 360 CAD software, we ensure that every product is tailored to meet the unique specifications of your vehicle. This precision engineering allows us to create subwoofer boxes that seamlessly fit into your car, providing an optimal sound experience.

Join the Additive Car Audio Community

We invite you to explore our range of innovative solutions for enhancing your car's audio system. Discover the difference that precision engineering and quality materials can make in your driving experience. Upgrade your sound system with Additive Car Audio and enjoy a new level of auditory excellence.