King Boxes

About King Boxes

King Boxes entered the 12-volt car audio world in 2019 with a clear mission: fill a genuine gap in the market for well-built, reliable speaker enclosures. Recognizing how limited quality sources were at the time, the brand seized the opportunity to supply the 12-volt industry with purpose-built speaker enclosures. In just a few years, King Boxes has grown into a respected name among car audio enthusiasts who demand clean bass response and durable construction without overpaying for boutique branding.

Built for Real-World Sound Performance

Every King Boxes enclosure is engineered around the fundamentals that actually move air and reproduce bass accurately. High-grade MDF construction — typically a 1-inch MDF face paired with 5/8-inch material for the remainder — ensures the cabinet walls are rigid enough to minimize resonance and coloration. This attention to cabinet integrity means the enclosure works with your subwoofer rather than against it, reproducing the frequencies your amplifier sends rather than distorting them with flex or vibration.

King Boxes offers both black carpet and bed-liner-sprayed finishes, and their catalog includes boxes that other manufacturers no longer offer, as well as universal and vehicle-specific designs. Whether you're building a daily driver system or chasing SPL competition numbers, there's a King Boxes enclosure sized and tuned for the job.

A Diverse Lineup of Speaker Enclosures

The King Boxes catalog spans a wide range of enclosure styles and configurations. Sealed enclosures deliver tight, accurate bass ideal for music listeners who prioritize sound quality, while ported and vented designs maximize output for those who want maximum volume and low-frequency extension. SPL-style side-port enclosures, extra-large dual-chamber boxes, and vehicle-specific fitments — including models designed for the Chevy Avalanche and Cadillac Escalade EXT — round out the lineup.

Shallow-mount enclosures are another King Boxes specialty. Shallow speaker enclosure boxes are designed for exceptional sound quality and a seamless fit in vehicles where conventional depth is not available, making them a popular choice for trucks, SUVs, and cars with limited trunk or cargo space. Full-range enclosures for 6.5-inch and 6x9 speakers are also part of the King Boxes family, giving installers a one-stop solution for component speaker staging as well as bass reinforcement.

Who King Boxes Is For

King Boxes strives to supply consumers with the most efficient and reliable boxes in the market, and the brand looks to grow each year with the same core goal: delivering the best speaker enclosure possible. That commitment resonates with DIY installers, mobile electronics dealers, and enthusiasts alike. With a catalog of nearly 40 products covering 8-inch through 18-inch subwoofer applications in sealed, ported, vented-divided, and SPL configurations, King Boxes continues to punch above its weight in a competitive segment of the car audio market.