Universal Subwoofer Enclosure for four 8" Subwoofers, Under Rear Seat Front-Fire Ported Box
Universal Subwoofer Enclosure for four 8" Subwoofers, Under Rear Seat Front-Fire Ported Box
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Key Features
- Universal Fit for Most Vehicle Applications
- Designed for Four 8” Subwoofers
- Under Rear Seat Design Saves Cabin Space
- Front-Fire Ported Design for Enhanced Bass Output
- Durable Black Bed Liner Finish
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Technical Data - Manual
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Product Overview
Product Overview
Take Your Music Anywhere
Make the most of your bass with the sealed EBM-FFPUNI-4X8 universal subwoofer enclosure. Whether you’re enjoying a long freeway drive or navigating unpaved terrain, this enclosure ensures your music stays pumping.
Universal Fit
Made for almost any vehicle, this sealed universal subwoofer enclosure has everything you need to keep your music booming. Being made for almost all vehicles means you don’t have to worry about how it will fit, letting you easily install your subwoofers and start jamming.
More Space for the Bass
This sealed universal enclosure fits four 8” subwoofers for maximum performance. It’s also precision tuned, giving your bass even more boom on the road. With top of the line subs and thoughtful design, this enclosure gives you plenty of power and then some.
Durable Against the Elements
Featuring a DS18 engraving, this sealed universal enclosure is built with protective materials and comes in a solid black finish. It’s durable and sleek and does not need any additional modification.
Upgrade Your Car Audio
Elevate your sound system with high quality speakers, tweeters, subwoofers, enclosures, and more. No matter your build, DS18 has the audio gear you need to play it LOUD.
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2 YEAR WARRANTY 
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Universal Subwoofer Enclosure for four 8" Subwoofers, Under Rear Seat Front-Fire Ported Box
Let customers speak for us
On time, exactly how I thought it would go !!
These are so loud and so clear. Exactly what I was looking for with a louder boat.
Works great, would highly recommend it.
I installed these on my wife’s 2025 Streetglide. She was having problems hearing her music at normal traveling speeds. She says these speakers are amazing. She doesn’t even need to turn them up over half way.
My husband was thrilled to find this piece. Saved so much drama in one piece
Everithing is perfect
Everything is perfect
Easy to install, easy to use. Great fit. Will protect from sun fade and elements. Higher quality than others as expected from DS18
I was needing some information on set screws and ds18 sent a whole set up. Awesome. They really support buyers!!
I didn’t have much expectation but I got them running and as my very first sound system it’s amazing loud and clear and loud from a far with the doors open it goes pretty far I can’t send a video or I would
Amp seems to work great. Have had no issues thus far. Music is crisp and clear.
I had switched out my factory to kickers and my friend had DS18. Which his was much clearer. So I switched out the dash, knees, and soundbar and it so clear. Now I need to switch out the sub.
They are a great JL OEM replacement sound quality is great
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