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Tru Spec Dual 8" (1458GTO)

Empty Dual 8" Vented Prefabricated Enclosure for Sundown SA8V2 Subwoofers

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• 8" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.30 cubic feet
• Compatible for Sundown SA8V2 and similar subwoofers (Sold separately)

Learn more about the dual8
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List price $239.99
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$159.99

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Current Promotions (1 offer)


Get the most out of your Loaded Enclosure with the NVX SDTK20. Eliminates road noise, quiet vibrations, and increase the sound quality and output of audio system, 50%. Simply click the "Add Both to Cart" button. This offer cannot be combined with any other coupons or offers.

Tru Spec Dual 8" (1458GTO)

40% off


Priced separately $209 98

Promo Savings of $20 00

Total price:

$189 98

Description


Tru Spec brand icon

Authorized dealer


Tru Spec Dual 8" (1458GTO)

Tru Spec Prefabricated enclosures are simple, straight to the point, subwoofer specific enclosures dialed in precisely to manufacturer's specifications after displacements. These subwoofer specific enclosures will be versatile to many other subwoofers as well, so you do not have to use the noted driver on the enclosure, just be sure and double check your cutout.


Product Details:

  • 8" Dual Ported Subwoofer Enclosure
  • Durable 3/4" Medium Density Fiberboard (MDF) construction
  • Compatible for the following 8" subwoofers (Sold separately):
  • Computer-designed CNC cut
  • Built with proper airspace and non-restrictive port
  • Maximum subwoofer mounting depth: 14.79"
  • Subwoofer cutout diameter: 7.45"
  • Total box volume: 1.30 cubic feet
  • Dimensions: 26" L x 11" H x 14.79" W
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Port Specifications:

  • Rectangular port
  • Number of ports: 1
  • Port diameter: 18"
  • Estimated port tuned frequency (fb): 35 Hz

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Specifications & Details


Box/Enclosure specifications
Subwoofer Size
8"
Subwoofer Cutout Shape
Round / Circle
Box Type
Ported
Number of Subwoofers
2
Box Style/Shape
Square/Rectangle
Cutout Diameter or Length
7.45"
Maximum Speaker Depth
14.79"
Total Box Volume
1.30 cubic feet
Wood Thickness
3/4"
Number of Terminals
2
Box Exterior Color
Sand Beige
Box Finish
Unfinished
Tuning Frequency
35 Hz
Port Details
Number of Ports
1
Tuning Frequency
35 Hz
Port Length
18"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

Dual 8”

Weight:

38.00lbs

Internal SKU:

dual8

Internal Product ID:

198882

Customer Ratings & Reviews


Tru Spec Dual 8

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
4.8
Value
4.8
Features
4.8
Design
5
Usability
5

Customer Photos & Videos


Customer Reviews

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By Aaron on October 19, 2023 Checkmark Icon Verified purchase

13 found this helpful


By Javier on March 13, 2026 Checkmark Icon Verified purchase


By Jason on October 26, 2025 Checkmark Icon Verified purchase


Great speaker boxes.

I ordered a single 12 box before and it was great for my American Bass 12. I just ordered a box for two eights and I already know it’s going to sound good.

By Douglas on August 11, 2025 Checkmark Icon Verified purchase


Perfect box

Box is built great..sounds great..only downfall is no terminal for speakers to hookup

By Josh on November 19, 2024 Checkmark Icon Verified purchase


By Edwin on August 23, 2024 Checkmark Icon Verified purchase


By Antonio on May 3, 2024 Checkmark Icon Verified purchase


By David on January 27, 2024




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