See all parts that fit your 1981 528i
Empty Dual 10" Sealed Rear Underseat Enclosure for select 2003-2007 Silverado 1500 HD / 3500 / 2500 HD / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali
Product highlights
• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.16 cubic feet
• Compatible with select 2003-2007 Silverado 1500 HD / 3500 / 2500 HD / 1500 / 3500 HD and Sierra 3500 / 1500 / 2500 HD / 3500 HD / 1500 HD and Sierra Denali
Single DIN Digital Media Receiver with Bluetooth (SiriusXM Ready)
$149.95
List price $180.00
10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)
$798.00
List price $999.99
Single DIN CD Receiver with Bluetooth, HD Radio and SiriusXM Ready
$249.99
List price $280.00
300W Peak (100W RMS) 4x6" HED Series 2 Way Coaxial 4-ohm Speakers
$79.99
List price $95.99
Single DIN Digital Media Receiver with Bluetooth, Built-in Alexa (Sirius XM Ready)
$199.00
List price $250.00
Single DIN CD Receiver with Bluetooth and Built-in Alexa (Sirius XM Ready)
$199.00
List price $240.00
10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto
$349.99
Single DIN CD Receiver with Bluetooth, Built-in Alexa, and HD Radio Tuner (SiriusXM Ready)
$219.00
List price $270.00
Enhance your truck’s audio performance with Atrend’s custom-fit subwoofer enclosure, designed specifically for 2003-2007 Light Duty Chevrolet-GMC Silverado-Sierra Crew Cab. Wrapped in premium carpet, this enclosure seamlessly blends with your truck’s interior while delivering powerful bass performance.
Crafted with precision and durability in mind, Atrend utilizes specialty-formulated aliphatic wood glue to ensure an airtight seal, preventing any air leaks that could compromise sound quality. Additionally, pneumatically applied brad nails reinforce the structure, aiding in the drying process and creating solid, no-rattle air chambers for optimal bass response.
Please use our Fitment Guide to determine specific compatibility for the submodel and audio features
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• 10" Dual Sealed Subwoofer Enclosure
• Built for select 1997-2007 vehicles from GMC, Chevrolet
• 3/4" Medium Density Fiberboard (MDF) construction
• Custom down-firing fit under rear driver side seat
• Premium, ultra-tough coat spray-liner finish
• Constructed using specially formulated aliphatic wood glue
• Total box volume: 2.44 cubic feet
(2)
$225.99
List price $319.99
NVX Empty BOOST Box - 2006-2013 Chevrolet Corvette - UBE-GM-VETC6
• Custom Fit Empty Single 10" BOOST Sealed Enclosure
• Compatible with select 2006-2013 Corvette
• Made with hand-laid fiberglass shell covered in Carpet
• Total box volume: .60 cubic feet
$249.99
List price $275.99
• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 1.9 cubic feet
• Compatible with select 2002-2018 Ram 2500 / 1500 / 3500 and 1500
$356.20
List price $409.99
• 8" Dual Ported Subwoofer Enclosure
• 1" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.40 cubic feet
• Compatible with select 2008-2023 Sierra and Silverado 1500 / 3500 HD / 2500 HD
$309.40
List price $309.40
• 10" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.6 cubic feet
• Compatible with select 2009-2019 F-150
(5)
$159.99
List price $159.99
• 12" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 0.93 cubic feet
• Compatible with select 1999-2007 vehicles from GMC, Chevrolet
(8)
$94.99
List price $104.95
• 8" Quad Ported Truck Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Premium charcoal carpet finish
• Total box volume: 6.08 cubic feet
• Compatible with select 2007-2023 Silverado 1500 / 2500 HD / 3500 HD / 1500 LD and Sierra 2500 HD / 3500 HD
$205.40
List price $205.40
• 10" Single Sealed Subwoofer Enclosure
• 5/8" Medium Density Fiberboard (MDF) construction
• Total box volume: 0.8 cubic feet
• Compatible with select 2009-2020 vehicles from Ford
(2)
$99.95
List price $119.99
• 10" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 0.93 cubic feet
• Compatible with select 1999-2007 vehicles from GMC, Chevrolet
(3)
$99.99
List price $95.95
• 12" Dual Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.6 cubic feet
• Compatible with select 2007-2018 Wrangler and Wrangler (JK)
$361.40
List price $399.99
Manufacturer:
Model Number:
A164-10CP
Weight:
25.00lbs
Internal SKU:
a16410cp
Internal Product ID:
89330
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Poor Quality
I was pleased to find this speaker box at such a good price and one day shipping. I guess you get what you pay for though. My box came in one day as stated. It fit underneath the seat just fine for the most part. The quality or craftsmanship leaves a bit to be desired. The carpet that covers the box is not wrapped like most boxes it is several pieces that are glued as panels. There are several spots on the box that the carpet was not glued at all that I had to glue down so that it did not pull off. On the inside ring of the sub woofer mounting area there was a substantial amount of glue that I had to sand off to get the sub to sit down in the box correctly.
Verified purchase
35 found this helpful
Great box.
Only complaint I have about the box is the rear seat wouldn’t fully lock in the down position with the amp mounted on the back of the box. Had to mount the amp behind the seat. Not a big deal just had to make some adjustments.
Verified purchase
24 found this helpful
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
