Skip to content
Now offering free shipping on all orders over £50!
Now offering free shipping on orders over £50!
Terms and Conditions Terms of Use Cookies Policy Privacy Policy Return Policy View Stores
Empty Subwoofer box

Empty Subwoofer box

Choose from our range of high-quality empty subwoofer boxes, designed for strong, clear, and powerful bass. Available in various sizes and styles to match your setup and vehicle. Built for durability and maximum sound performance.

In Phase BX10TREX 10" Slot Ported Subwoofer Enclosure for DB Audio TREX10 (Box only)
In Phase BX10TREX 10" Slot Ported Subwoofer Enclosure for DB Audio TREX10 (Box only)
£149.00 - £149.00
£149.00
£149.00 - £149.00
£149.00

In Phase BX10TREX 10" Slot Ported Subwoofer Enclosure for DB Audio TREX10 (Box only)

In Phase
In stock

Get ready to unleash thunderous bass and elevate your car audio experience with the In Phase BX10TREX Slot Ported Subwoofer Enclosure, custom-desi...

View full details
£149.00 - £149.00
£149.00
£149.00 - £149.00
£149.00
In Phase BX10XT 10" Slot Ported Subwoofer Enclosure for In Phase XT-10 (Box only)
In Phase BX10XT 10" Slot Ported Subwoofer Enclosure for In Phase XT-10 (Box only)
£129.00 - £129.00
£129.00
£129.00 - £129.00
£129.00

In Phase BX10XT 10" Slot Ported Subwoofer Enclosure for In Phase XT-10 (Box only)

In Phase
In stock

Experience deep, powerful bass with the In Phase BX10XT Slot Ported Subwoofer Enclosure, tailored specifically for the In Phase XT-10 subwoofer. En...

View full details
£129.00 - £129.00
£129.00
£129.00 - £129.00
£129.00
In Phase Slot Ported Subwoofer Enclosure
In Phase Slot Ported Subwoofer Enclosure
£129.99 - £129.99
£129.99
£129.99 - £129.99
£129.99

In Phase BX12TREX 12" Slot Ported Subwoofer Enclosure For DB Audio TREX12

In Phase
In stock

Prepare to immerse yourself in deep, powerful bass with the In Phase BX12TREX Slot Ported Subwoofer Enclosure, meticulously crafted for the DB Aud...

View full details
£129.99 - £129.99
£129.99
£129.99 - £129.99
£129.99
In Phase BX12XT 12" Slot Ported Subwoofer Enclosure For In Phase XT-12
In Phase BX12XT 12" Slot Ported Subwoofer Enclosure For In Phase XT-12
£149.99 - £149.99
£149.99
£149.99 - £149.99
£149.99

In Phase BX12XT 12" Slot Ported Subwoofer Enclosure For In Phase XT-12

In Phase
In stock

Elevate your car audio experience with the In Phase BX12XT Slot Ported Subwoofer Enclosure, custom-designed for the In Phase XT-12 subwoofer. Engi...

View full details
£149.99 - £149.99
£149.99
£149.99 - £149.99
£149.99
In Phase Slot Ported Subwoofer Enclosure
In Phase Slot Ported Subwoofer Enclosure
£149.99 - £149.99
£149.99
£149.99 - £149.99
£149.99

In Phase BX12XTNT 12" Slot Ported Subwoofer Enclosure For DB Audio Xtinct12

In Phase
In stock

Experience thunderous bass and uncompromising performance with the In Phase BX12XTNT Slot Ported Subwoofer Enclosure, meticulously crafted for the...

View full details
£149.99 - £149.99
£149.99
£149.99 - £149.99
£149.99
In Phase BX210XT Double 10" Ported Subwoofer Enclosure for TWO In Phase XT-10
In Phase BX210XT Double 10" Ported Subwoofer Enclosure for TWO In Phase XT-10
£149.99 - £149.99
£149.99
£149.99 - £149.99
£149.99

In Phase BX210XT Double 10" Ported Subwoofer Enclosure for TWO In Phase XT-10

In Phase
In stock

Experience thunderous bass and uncompromising performance with the In Phase BX210XT Double 10" Ported Subwoofer Enclosure, meticulously crafted to ...

View full details
£149.99 - £149.99
£149.99
£149.99 - £149.99
£149.99
In Phase BX26XT double 6 inch ported subwoofer enclosure”
Save 38% Save %
£159.99
£159.99 - £159.99
£159.99
£99.99
£99.99 - £99.99
£99.99

In Phase BX26XT Double 6" High Quality Ported Subwoofer Enclosure with Black Carpet For XT-6

In Phase
In stock

Choosing a bass box can be hard as not many people sell them and ideally they need to be built by people who know subwoofer parameters, box design ...

View full details
£159.99
£159.99 - £159.99
£159.99
£99.99
£99.99 - £99.99
£99.99
Save 38% Save %
BX28XT Double 8" Ported Subwoofer Enclosure for TWO In Phase XT-8 Subwoofers
BX28XT Double 8" Ported Subwoofer Enclosure for TWO In Phase XT-8 Subwoofers
Save 38% Save %
£199.99
£199.99 - £199.99
£199.99
£124.99
£124.99 - £124.99
£124.99

In Phase BX28XT Double 8" Ported Subwoofer Enclosure for TWO In Phase XT-8 Subwoofers

In Phase
In stock

Get ready to double the bass impact with the In Phase BX28XT Double 8" Ported Subwoofer Enclosure, tailor-made to house two In Phase XT-8 subwoofer...

View full details
£199.99
£199.99 - £199.99
£199.99
£124.99
£124.99 - £124.99
£124.99
Save 38% Save %

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare