PRO 12" Single Sealed 30L Subwoofer Enclosure, built-in terminal with gold screw posts constructed with high quality MDF 18 wood enclosure. The front (where the woofers loaded) is flat and the back is slanted with black acoustic carpet. - 282mm hole diameter - 280mm mounting depth - 365mm (w) x 355mm (h) x 380mm (d).
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Car Trunk Liner Black Carpet Non-Woven Febric Mats for Speaker Sub Box Carpet Home Auto RV Boat Marine Truck Cupboards Protector
Aliexpress UK
Front slot port design Finished in hard wearing black carpet Made from high quality 18mm MDF Designed to take 12" round subwoofers. Slot port size - approx. 2.8cm x 32cm. Width of hole - 28cm. Ideal for subwoofers like Alpine Type-R, Kicker Comp series, Pioneer, Kenwood, JBL, Hifonics, Sound stream, Rockford Fosgate, Hertz, JL Audio etc.
eBay
Car Armrest Box for Suzuki Celerio Car Center Storage Box for Celerio PU Leather Led SUB
Aliexpress UK
The correct enclosure for your woofers is crucial for good bass in your car. From a single 6" to 18" and anything in-between, we have the right combination of quality style and performance. Sealed MDF construction.
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Automotive and household 10 inch 12 inch speaker subwoofer box passive empty box wooden box speaker shell snowflake velvet
Aliexpress UK
New Sealed Enclosure. Fits Mostly All Cars. The sizes are approximates and could change without notification. Only the Best Black Aviation Carpet. Speaker Mounting Depth is 245mm. Bottom Depth 28cm.
eBay
General Purpose Luggage Frame Box Roof Frame Noise Reduction Spoiler Windshield Sub-deflector
Aliexpress UK
So take a good look at your boot and make the 1 decision that your addition of a sub revolves around. how much space are you giving up for the enclosure?. Then choose from the 6 options i have produced that cover all aspects.
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8'' 800W Active Underseat Car Bass Box Audio Subwoofer Sub Speaker Amplifier 12V With Tweeter Subwoofer Built-In High-Power
Aliexpress UK
New Sealed Enclosure. Height 34cm x Length 41cm x Top Depth 22cm x Bottom Depth 29cm. Speaker Mounting Depth is 245mm. The sizes are approximates and could change without notification. Product Images are for illustrative purposes and could change without notification.
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Car Subwoofer Class AB Power Amplifier Bass Speakers Aluminum Box Active Sub Woofer Install on Spare Tire Audio System
Aliexpress UK
12" MDF Slot Ported Enclosure. Made from Top quality MDF Throughout. NEW FROM OE AUDIO A HIGH QUALITY CUSTOM DUAL 12" SUB-WOOFER BOX ENCLOSURE BASS AMP BOX ALL SUBWOOFERS. Sealed Enclosure. Tuned To Play Low Frequency Bass.
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Car Lining Underfelt Carpet Marine Upholstery Un-Backed for Speaker Sub Box Home Auto RV Boat Marine Truck Car Trunk Felt Fabric
Aliexpress UK
Underseat : The 7cm thin subwoofer is directly installed under the passenger seat. Peak Power: 800W. Built-in Amplifier: Car subwoofer produces 800 watts of strong, rich, deep bass that you can feel.
eBay
Car Underseat Slim Amplifier Subwoofer Speaker Audio Sub Bass Box 8 in 600W Auditory Feast for cars, vans, jeeps, SUVs
Aliexpress UK