Place the device under the seat. Underseat Subwoofer Box for WK! View cart for details. This box is a must-have if you like your bass low and loud in your HD crew cab. -Conner . Online calculator subwoofer box volume, port length and other parameters One of our customers suggested that you can drill another hole in the bass plate of the jack so it can simply be rotated out of the way and re-positioned. Our box is the real deal. thumpin'. Empty Weight: 27 lbsMDF ConstructionInstalls under the rear seatMust swing jack out of the wayNo other modifications requiredDoes not affect rear seat latchingForward folding function slightly affectedFits 8" round or square and 10" round subsCutout Size: 8"=7-1/8", 10"=9-1/8"Mounting Depth: 6-1/8"Based on 5.75" dia. 4.4 out of 5 stars (19) Total Ratings 19, $116.99 New. First wire the power from the battery. Don't settle for anything less than a quality  crew cab box from Subthump. Re: Built a bandpass subwoofer box under the rear seat. I've had two 15" jbl's not sound this loud. This box hits so hard you will not believe it. Recently purchased your dual down fire box for 06 hd crew cab. Oct 04 2011, 2:09am. There is no way to fit 12s in this box so please do not ask. AV30 - Subwoofer Box / Enclosure ♦Smallest universal enclosure for under the seat, cars, trucks and SUV’s. Compatible with Chevy Silverado or GMC Sierra Full Size Extended Cab Truck 2007-2013 Dual 12" Subwoofer Sub Box Speaker Enclosure. Any help is appreciated. Fits 8" round or square and 10" round subs. Other than that, just drop the box into place and start. As you can see from the photos our under seat subwoofer box is designed to fit both the the bench seat rear and the 60/40 split rear seat. And not everyone enjoys its adjustment like this. There is no other crew cab box anywhere with a mounting depth that deep. A large ported enclosure can have substantially more output but at … Copyright © 1995-2020 eBay Inc. All Rights Reserved. If some other imitation looks 'cheap', it probably is just that. Car Subwoofer. Copyright © 2016 SubThump All Rights Reserved. And nobody does one for the newer style split seats without major modifications required to the truck. … of air space per chamber. Not with our under seat subwoofer box. Tell someone you know about this product. magnetVolume: .55 cu.ft per chamberSealed Box, separated chambersFinish: CarpetTerminals: InstalledSubwoofers Sold SeparatelyCustomer Video: https://www.youtube.com/watch?v=ci-GVKNqi_I. Build a ported box, sealed box. The shape of the enclosure is not vital, but The Volume Is. Reply. Configure the remote activation of the wire so that it starts automatically with the amplifier. Compare. Built a bandpass subwoofer box under the rear seat. One of its best-performing underseat subwoofers is the Rockford Fosgate P-300 Powered Subwoofer. Make a subwoofer enclosure plan. And nobody does one for the newer style split seats without major modifications required to … Something went wrong. Get it as soon as Tue, Dec 1. 3.9 out of 5 stars 59. Free shipping on many items ... ASC GM2X12AVECLUS Chevy Avalanche Dual 12 inch Subwoofer Enclosure Sub Box. Subwoofer Boxes. The box fits great and sounds even better. We can provide you with comprehensive Subwoofer Box Design Software for creating a high performance bass box. This box hits so hard you will not believe it. Car Sub Boxes; LMI SEAT LIFT BOXES; Truck Sub Boxes; Ported/Vented Sub Boxes; Universal Sealed Sub Boxes; ... 2019-UP SILVERADO / SIERRA CREW CAB DUAL 10/12 PORTED SUBWOOFER BOX $225.00. The impact or punch that you will perceive does not “hit” as quite as hard. You can always give it a good coat of fiberglass resin. Many of the boxes out there are quite generic-looking or don't fit too good. Subwoofer box design calculator for online creating a high performance subwoofer enclosure. So we went to work on a radical new under seat sub box design for this truck. Under Seat Car Speaker and Subwoofer Enclosures, Go to previous slide - Shop by Speaker Size, 19 product ratings - 2001-2007 Chevy Silverado 2500Hd Crew Cab Dual 12" Stereo Subwoofer Sub Box New, 3 product ratings - QPower GMC Chevy Silverado Ext Cab '99-06 Dual Two 12" Sub Box w/ Bedliner Spray, 19 product ratings - QPower GMC Chevy Silverado Ext Cab '99-06 Dual Underseat Two 10" Subwoofer Box, 1 product ratings - Sealed 10" Subwoofer Truck Box Slanted Enclosure Single Sub Woofer Slim Shallow, 7 product ratings - Qpower QBSUV12V Bomb Dual 12" Woofer Box 2007-2014 Chevy Tahoe 3rd Row Vented, Slide {current_page} of {total_pages} - You May Also Like.