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SPL Boxes SB184-210BL

Custom-fit dual 10" sealed subwoofer enclosure — fits 2014-up Chevy Silverado and GMC Sierra Crew Cab trucks

Item # 419184210B

Add custom-fit bass to your Silverado or Sierra with this rugged SPL box.

Find what Fits your vehicle

Add custom-fit bass to your Silverado or Sierra with this rugged SPL box.

Item # 419184210B

Ships free

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Ship date unknown

$254.99

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Free custom vehicle instructions

Installation help for your car, from our experts.

Since 1974

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About the SPL Boxes SB184-210BL

Bob Bihlmayer
SPL Boxes' SB184-210BL custom-fit enclosure installs under the rear seat of 2014-up Chevy Silverado and GMC Sierra Crew Cab trucks. This downward-firing box holds two 10" subwoofers of your choice, and its rugged MDF construction and bedliner finish will stand up to the stresses of the truck environment. The enclosure's internal volume is 1.6 feet with a maximum mounting depth of 5.5".

SPL Boxes' SB184-210BL custom-fit enclosure installs under the rear seat of 2014-up Chevy Silverado and GMC Sierra Crew Cab trucks. This downward-firing box holds two 10" subwoofers of your choice, and its rugged MDF construction and bedliner finish will stand up to the stresses of the truck environment. The enclosure's internal volume is 1.6 feet with a maximum mounting depth of 5.5".

Note: this enclosure only fits Crew Cab trucks; it will not fit Double Cab trucks.

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Product highlights:

  • vehicle-specific downward-firing sealed subwoofer enclosure
  • holds two 10" subwoofers (not included)
  • installs under rear seat of 2014-up Chevy Silverado and GMC Sierra Crew Cab trucks
  • MDF construction with bedliner finish
  • internal volume: 1.6 cubic feet
  • subwoofer mounting depth: 5.5"
  • dimensions: 52.75"W x 15.5"H x 9.5"D
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # SB184-210BL

What's in the box:

  • One vehicle specific sealed enclosure for two 10" subwoofers with spring-post terminals

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More details on the SPL Boxes SB184-210BL

Pat M.

Product Research

Features

Vehicle Compatibility: This custom-fit sealed enclosure is designed specifically to fit select 2014-2022 Chevrolet Silverado and GMC Sierra Crew Cab pickup trucks. Please enter your vehicle information to confirm fit.

Mounting Location: The enclosure mounts under the rear bench seat without taking up interior space.

Enclosure: The enclosure is made from durable MDF (Medium Density Fiberboard) that resists flexing and damps resonance. It's covered with a bedliner type material.

Terminals: The wire terminals are spring-posts (two pair) that accept pin connectors or bare wire up to 10-gauge. Inside the enclosure there are 0.205" male quick-slides (will accept 0.205" female quick slides) for both the positive and negative terminals. The wire can also be attached using the nuts holding the quick-slides in place.

Note: Speaker wire is needed to connect the terminals to the subwoofers.

Dual 10" Subwoofers: The enclosure holds two 10" subwoofers in a single 1.6 ft³ chamber. Once mounted the woofers are down firing.

Mounting: No mounting hardware or speaker wire is included with the enclosure.

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