Vehicle-Specific Subwoofer Systems

Vehicle-Specific Subwoofer Sytems are specifically custom made for your car with maximal bass and minimal space.

JL Audio Stealthbox®

A JL Audio Stealthbox® is a custom-fitted subwoofer and enclosure for nearly 300 of today's most popular cars. Built with factory matching cloth and a powerful subwoofer inside.

From the most simple car audio kit to the most complete amplified system, Focal® Inside can be easily installed to replace the factory system without having to make any modifications to the vehicle’s interior.

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JL Audio Stealthbox® 133
Focal® Inside 2