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Unique 12" 30-hz Dual Competition Ported Sub Box Up To 50% Off [hbw9l3eH]

$46.99 $150.99 -69%

12" 30-Hz Dual Competition Ported Sub Box Experience unparalleled bass performance with our 12" 30-Hz Dual Competition Ported Sub Box. Engineered for high-end audio enthusiasts, this subwoofer box is designed to deliver deep, powerful sound that will

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Unique 12" 30-hz Dual Competition Ported Sub Box Up To 50% Off [hbw9l3eH]

12" 30-Hz Dual Competition Ported Sub Box

Experience unparalleled bass performance with our 12" 30-Hz Dual Competition Ported Sub Box. Engineered for high-end audio enthusiasts, this subwoofer box is designed to deliver deep, powerful sound that will elevate your audio experience to new heights.

Key Specifications

This sub box boasts an impressive array of features that make it a standout choice for any car audio setup. With a cutout diameter of 11 1/8" and an air volume of 3.98 FT^3, it provides ample space for a 12" subwoofer to breathe and produce rich, punchy bass. The tuning frequency of 30-Hz ensures that you'll feel the bass, not just hear it. Here are some of the key specifications that set this sub box apart:
  • 1 Slot Port: The 1 slot port, measuring H-12 1/2” W-3 5/8” L-27 1/2”, optimizes airflow and enhances the subwoofer's efficiency.
  • Mounting Depth: With a mounting depth of 20 1/2", it can accommodate a variety of subwoofer sizes without compromising on performance.

Quality Construction and Durability

We understand the importance of quality and durability in a subwoofer box. That's why our 12" 30-Hz Dual Competition Ported Sub Box is constructed using 3/4" high-quality MDF wood, ensuring stability and longevity. The box is carpeted with a durable trunk liner finish, providing both a sleek appearance and added protection. The seams are sealed with high-quality Titebond silicone, and the wood is glued with Titebond wood glue, guaranteeing a strong and secure construction. With a weight of 81 lbs., this sub box is built to withstand the rigors of daily use and deliver consistent performance. Whether you're a car audio enthusiast or a professional installer, this sub box is a reliable choice for your next project.

What Our Customers Say

January 16, 2026

Absolutely no complaints!

I'm happy with this. So good.

- Christa M..

January 16, 2026

Absolutely no complaints!

I'm happy with this. So good.

- Tiera T..

January 16, 2026

Absolutely no complaints!

A wonderful experience overall.

- Isla H..

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