Subwoofer Fitting in Cardiff
Yes, we fit subwoofers in Cardiff, from a compact under-seat sub to a full custom-built enclosure with twin 12-inch drivers. A subwoofer does not just add volume, it adds deep, precise bass with far more detail than factory speakers can manage. We fit subwoofers from JL Audio, Alpine, Phoenix Gold and Hertz, and every install is paired with the right amplifier for the box, so it is set up properly, not just loud.
Why Add a Subwoofer?
A subwoofer brings deeper, more precise bass with far more definition than factory speakers can reach, and it improves every kind of music, from club and rock to jazz and classical. Bass sound waves need real power and air space to move properly, which is why every subwoofer we fit is matched to a proper amplifier built for the job.
Options to Suit Your Car and Your Boot Space
- Compact enclosed subwoofers – a single self-contained box that fits neatly in the boot without taking over the space.
- Custom-built enclosures – built to fit your exact vehicle, so the fit looks factory and the boot stays usable. See our Toyota Hilux custom sub board.
- Twin subwoofer setups – for serious bass and SPL builds. See our twin 12-inch JL Audio subwoofer install.
Subwoofer
Adding a subwoofer does not just mean more volume, it brings deeper, more precise bass with far more detail than factory speakers can manage. That extra low end improves the sound of any kind of music, whether that is club, electronic, pop, rock, jazz or classical.
Cars and Vans We Have Fitted
- Twin 12-inch JL Audio subwoofers
- Toyota Hilux – custom subwoofer board and full sound transformation
- Alfa Romeo 4C – carbon tub build, no carpets, no problem
- BMW M240i – ZZ2 screen and audio upgrade
- Mercedes SL – retro 80s sound upgrade
- Alpine van audio upgrade in South Wales
- Mercedes Sprinter – Hertz, AudioControl and Helix
Adding a subwoofer alongside new speakers or an amplifier? See our speakers and amplifiers pages.
Why Cardiff Drivers Choose B&B Audioconcepts
Founder Waz has over 35 years of experience fitting car audio. We build enclosures to fit your car properly, match the amplifier to the subwoofer, and tune the whole system so the bass is tight and controlled, not just loud. We cover Cardiff, Penarth, Barry, Newport, Caerphilly, Bridgend and across South Wales.
Subwoofer FAQs
How much boot space will a subwoofer take up?
It depends on the subwoofer and enclosure you choose. A compact enclosed sub takes up very little room, while a custom twin-sub build takes more space in exchange for serious bass. We will show you the options for your car before you decide.
Do I need a new amplifier for a subwoofer?
Yes, in almost every case. A subwoofer needs far more power than a factory head unit or speaker amplifier can supply, so we always fit or check for a properly matched amplifier.
Will a subwoofer drain my battery?
No, when it is wired in correctly with the right cable and fusing, which is exactly how we install every subwoofer and amplifier.
How long does fitting take?
It depends on your vehicle and whether you choose a standard enclosure or a custom build. We will confirm the timing when you book.
How much does it cost?
Pricing depends on your vehicle and the subwoofer you choose. Call us on 029 2070 7275 or send us your make and model for a free quote.
Add a Subwoofer to Your Car
Call 029 2070 7275 or send us your make and model. Visit us at Unit C1, West Point Industrial Estate, Penarth Road, Cardiff CF11 8JQ.