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Holiday Special 12" Dual High Output Xl Glue It & Screw It Sub Enclosure Collection [W8xq12Sw]

$53.99 $172.99 -69%

Product Description GP's Glue it & Screw it flat packed subwoofer enclosures come precision CNC cut, so all you have to do is Glue It & Screw It!Every GP Glue It And Screw It enclosure is 100% designed to order per subs you are using and come

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Product Description

GP's Glue it & Screw it flat packed subwoofer enclosures come precision CNC cut, so all you have to do is Glue It & Screw It!

Every GP Glue It And Screw It enclosure is 100% designed to order per subs you are using and comes standard with an internal brace

Any dimensions can be altered, let us know your max dimensions in the order notes, or leave us a note on the order to have us call you to go over anything, be sure to note your vehicle.

*Includes enclosure specific internal brace*

*Assembly Required*

NOTE* Tuning will change the enclosure sizes slightly.

37hz

Box External Dimensions
Width x Height x Depth
40.00" x 14.00" x 21.53"
Material Thickness 0.75"
Net Internal Volume 4.50 ft3
Tuning Frequency 37 Hz
Port Area 72.00 inch2
Port Inlet
Width x Height
5.76" x 12.50"
Port Length 21.13"

_______________________________________________________________________

35hz

Box External Dimensions
Width x Height x Depth
40.00" x 14.00" x 22.17"
Material Thickness 0.75"
Net Internal Volume 4.50 ft3
Tuning Frequency 35 Hz
Port Area 72.00 inch2
Port Inlet
Width x Height
5.76" x 12.50"
Port Length 24.83"

_______________________________________________________________________

33hz

Box External Dimensions
Width x Height x Depth
40.00" x 14.00" x 22.94"
Material Thickness 0.75"
Net Internal Volume 4.50 ft3
Tuning Frequency 33 Hz
Port Area 72.00 inch2
Port Inlet
Width x Height
5.76" x 12.50"
Port Length 29.22"

_______________________________________________________________________

31hz

Box External Dimensions
Width x Height x Depth
40.00" x 14.00" x 23.90"
Material Thickness 0.75"
Net Internal Volume 4.50 ft3
Tuning Frequency 31 Hz
Port Area 72.00 inch2
Port Inlet
Width x Height
5.76" x 12.50"
Port Length 34.49"

_______________________________________________________________________

29hz

Box External Dimensions
Width x Height x Depth
40.00" x 14.00" x 25.09"
Material Thickness 0.75"
Net Internal Volume 4.50 ft3
Tuning Frequency 29 Hz
Port Area 72.00 inch2
Port Inlet
Width x Height
5.76" x 12.50"
Port Length 40.89"

What Our Customers Say

January 1, 2026

Absolutely no complaints!

This product is a great example of quality and reliability.

- Marcellus L..

January 1, 2026

Absolutely no complaints!

This product has simplified a complex task for me. Wonderful.

- Patrick C..

January 1, 2026

Absolutely no complaints!

This product is a fantastic piece of work. Highly satisfied.

- Gary J..

Write a Review

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