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Atrend U-8CPQV

Empty Quad 8" Vented Underseat Truck Enclosure for select 2007-2023 Silverado 1500 / 2500 HD / 3500 HD / 1500 LD and Sierra 2500 HD / 3500 HD

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• 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

See compatible vehicles Learn more about the u8cpqv
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$205.40

 with warranty
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Description


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Atrend U-8CPQV

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. Also, pneumatically applied brad nails reinforce the structure, aiding in drying and creating solid, no-rattle air chambers for optimal bass response.


Product Details:

  • 8" Quad Ported Truck Subwoofer Enclosure
  • Compatible with select 2007-2023 Silverado 1500 / 2500 HD / 3500 HD / 1500 LD and Sierra 2500 HD / 3500 HD
  • Durable 3/4" Medium Density Fiberboard (MDF) construction
  • Custom forward firing truck-style design for under seat mounting
  • Engineered for an OEM-fit
  • Premium charcoal carpet finish
  • Featuring soft woven polyfill damping material
  • Specialty-formulated aliphatic wood glue for a precision seal
  • Pneumatic brad nails secure panels for zero vibration
  • Glued and braced for extra durability
  • Subwoofer cutout diameter: 7.28"
  • Maximum subwoofer mounting depth: 8.25"
  • Box volume: 1.52 cubic feet (per chamber)
  • Total box volume: 6.08 cubic feet
  • Dimensions: 49" L x 9.5" H x 14" W
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Port Specifications:

  • Rectangular shaped port
  • Number of ports: 1
  • Estimated port tuned frequency (fb): 40 Hz

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Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

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Specifications & Details


Compatible vehicle types
Compatible vehicle types
Car/Truck/SUV/Van
Enclosure Specifications
Subwoofer Size
8"
Subwoofer Cutout Shape
Round / Circle
Box Type
Ported
Number of Subwoofers
4
Box Style/Shape
Vehicle Specific
Cutout Diameter or Length
7.28"
Maximum Speaker Depth
8.25"
Total Box Volume
6.08 cubic feet
Box Volume (Each Chamber)
1.52 cubic feet
Height
9.5"
Width
14"
Depth
49"
Wood Thickness
3/4"
Number of Terminals
2
Terminal Type
Spring posts
Box Exterior Color
Charcoal
Box Finish
Carpet
Tuning Frequency
40 Hz
Port Details
Number of Ports
1
Tuning Frequency
40 Hz
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

U-8CPQV

Weight:

49.00lbs

Internal SKU:

u8cpqv

Internal Product ID:

203069

Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.