The FOX Acoustics 2021+ Bronco 2-12" Vented Sub Box is a premium high-output cargo-area enclosure engineered specifically for the 4-door 2021+ Ford Bronco. Designed to maximize bass output while preserving usable cargo space underneath the enclosure, this dual-12 vented design offers large internal air volume, deep mounting capability, and a 35Hz tuning frequency ideal for powerful SQL and SPL-style systems. It’s one of the most popular prefab Bronco enclosures for enthusiasts wanting serious bass without fully custom fabrication. Main Features Designed specifically for 2021+ Ford Bronco 4-door models Dual 12-inch vented enclosure Fits both hard-top and soft-top Broncos Elevated design keeps floor cargo area usable underneath Large 4.5 cubic feet net internal volume 35Hz tuning frequency Heavy-duty MDF construction Spray bedliner-style black finish Compatible with deep-mount subwoofers Designed for high-output SQL/SPL systems Custom mounting bracket compatibility for off-road stability Specs Specification Details Vehicle Fitment 2021+ Ford Bronco 4-Door Bronco Sport Compatible No Subwoofer Size Dual 12" Enclosure Type Vented / Ported Net Air Volume 4.5 ft³ Tuning Frequency 35Hz Sub Cutout Diameter 11.15" Max Mounting Depth 11.5" Finish Black Bedliner Coating Cargo Clearance Under Box ~12" Approx. Shipping Weight ~65–90 lbs Installation Notes Professional installation is strongly recommended because: The enclosure is physically large and heavy Deep-mount subs require careful fitment checks High-output systems need upgraded electrical systems Off-road mounting security matters Proper DSP tuning dramatically improves performance
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