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Down4Sound Quad 15" Custom Kerf Ported Subwoofer Box (HAND MADE IN THE USA)

Name: Down4Sound Quad 15" Custom Kerf Ported Subwoofer Box (HAND MADE IN THE USA)
Brand: Down4Sound
Price: 2732.99 USD

Description 1 Review Description CURRENTLY Custom built Sub woofer Box (HAND MADE IN THE USA) ORDERS CAN ONLY BE CANCELED WITHIN 24 HOURS OF PURCHASE, AFTER 24 HOURS THEY BECOME FINALE SALE. **Maximum available dimensions for sub box to fit inside of. Its mandatory to provide and very important for you to measure so when you place your order you know your subwoofer box will fit in the space you have for it, there is no returns on these boxes as they are built to order to fit your exact needs** View All Close 1 Review 5 Quad 15" Sweet enclosure Posted by Shawn Lee on Sep 23, 2018 Looks nice well built sounds good 5 stars for sure. View All Close

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$2,732.99

Updated 11/10/2026

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Frequently Asked Questions

What is the Down4Sound Quad 15" Custom Kerf Ported Subwoofer Box (HAND MADE IN THE USA)?

The Down4Sound Quad 15" Custom Kerf Ported Subwoofer Box (HAND MADE IN THE USA) is car audio equipment made by Down4Sound.

How much does the Down4Sound Quad 15" Custom Kerf Ported Subwoofer Box (HAND MADE IN THE USA) cost?

See the recorded retailer prices in the "Where to Buy" section. Prices and availability can change; confirm both with the retailer before purchasing.

Where can I buy the Down4Sound Quad 15" Custom Kerf Ported Subwoofer Box (HAND MADE IN THE USA)?

The "Where to Buy" section lists retailers we have recorded carrying the Down4Sound Quad 15" Custom Kerf Ported Subwoofer Box (HAND MADE IN THE USA). Check each listing's availability and confirm warranty coverage with the retailer.