UK car audio comparison

Best Enclosed Subwoofers
in 2026.

An enclosed subwoofer gives the driver and cabinet a known relationship, which can simplify a bass upgrade. The trade off is the space needed in the boot and the extra wiring an active or passive design may require.

Prices and stock should be checked on the retailer page before purchase.

Our approach. We compare the specifications shown on the retailer product pages and explain who each model suits. This is not a hands-on test.

Our pick

Kicker 43CWR8G CompR, CompRT & CompC 8" Round Subwoofer Grill

A 8-inch bass subwoofer choice for adding more weight to the system.

Check price

Full specifications

Our picks compared

This table includes every verified specification available for the products in this roundup. Check the retailer page for the latest price, stock and fitment details.

Product	Price	Availability	Brand	Model	Product Type	Subwoofer Design	Size	Listed Power	Shipping Weight	Full specifications
Kicker 43CWR8G CompR, CompRT & CompC 8" Round Subwoofer Grill	£24.95	In stock	Kicker	43CWR8G	Enclosed Subwoofers	Not listed	8 inch	Not listed	Not listed	Size Detail: 8 inch
Kicker 43CWR10G CompR, CompRT & CompC 10" Round Subwoofer Grill	£29.95	In stock	Kicker	43CWR10G	Enclosed Subwoofers	Not listed	10 inch	Not listed	Not listed	Size Detail: 10 inch
Kicker 43CWR12G 12" CWR ROUND SUBWOOFER GRILL	£29.95	In stock	Kicker	43CWR12G	Enclosed Subwoofers	Not listed	12 inch	10W	Not listed	Size Detail: 12 inch
Pioneer TS-WX306T 30cm Subwoofer in Bass-Reflex Tube Enclosure	£149.99	In stock	Pioneer	TS-WX306T	Enclosed Subwoofers	Not listed	Not listed	1300W	Not listed	Size Detail: 10 inch
Pioneer TS-WX300A 12" 30cm Powered Active Subwoofer/Class D Built-in Amplifier	£172.07	In stock	Pioneer	TS-WX300A	Enclosed Subwoofers	Active	12 inch	1300W	5 kg	Class: D amplifier that is built into the side of the enclosure, amplifying the bass to high volumes, but a, D amplifier also has various settings ensuring the user can get the type of bass they want, dependin Size Detail: 12 inch
Ground Zero GZIB 20BR 150 Watt RMS 20 cm / 8″ vented subwoofer loaded enclosure	£179.99	In stock	Ground Zero	GZIB 20BR	Subwoofer Enclosure	Active	8 inch	150W	Not listed	Dimensions: 400 x 270 x 290/230 mm (Width x Height x Top/Bottom Depth) Power Detail: Monoblock

Product notes

What each pick is best at

Best overall bass upgrade

Kicker 43CWR8G CompR, CompRT & CompC 8" Round Subwoofer Grill

A 8-inch bass subwoofer choice for adding more weight to the system.

What we like

Lowest listed price in this comparison at £24.95, £5.00 below Kicker 43CWR10G.
Its listed 8-inch size matches 1 other pick, making like-for-like installation planning easier.
The product type gives a clear starting point for deciding between a compact bass upgrade and a separate amplifier setup.

What we don't like

Unlike some alternatives, the listing does not show a comparable design figure, so matching it to the rest of the system takes more checking.
The enclosure and underseat or boot dimensions still need checking, even where the product is described as compact.

Price	£24.95
Availability	In stock
Model	43CWR8G
Size	8 inch
Brand	Kicker
Product Type	Enclosed Subwoofers
Size Detail	8 inch

Check CarAudioCentre.co.uk

Best for compact installations

Kicker 43CWR10G CompR, CompRT & CompC 10" Round Subwoofer Grill

A 10-inch bass subwoofer choice for adding more weight to the system.

What we like

At £29.95, it costs £5.00 more than Kicker 43CWR8G, so the extra spend is tied to the specification and fitment choice.
The only pick here listing 10-inch size, giving it a clear difference from the other 5 options.
The product type gives a clear starting point for deciding between a compact bass upgrade and a separate amplifier setup.

What we don't like

It is £5.00 above the cheapest pick, so the higher price depends on whether the distinct 10-inch size suits the installation.
The enclosure and underseat or boot dimensions still need checking, even where the product is described as compact.

Price	£29.95
Availability	In stock
Model	43CWR10G
Size	10 inch
Brand	Kicker
Product Type	Enclosed Subwoofers
Size Detail	10 inch

Check CarAudioCentre.co.uk

Best for boot-based systems

Kicker 43CWR12G 12" CWR ROUND SUBWOOFER GRILL

A 12-inch bass subwoofer choice for adding more weight to the system.

What we like

At £29.95, it costs £5.00 more than Kicker 43CWR8G, so the extra spend is tied to the specification and fitment choice.
The only pick here listing 10W power, giving it a clear difference from the other 5 options.
The product type gives a clear starting point for deciding between a compact bass upgrade and a separate amplifier setup.

What we don't like

It is £5.00 above the cheapest pick, so the higher price depends on whether the distinct 10W power suits the installation.
The enclosure and underseat or boot dimensions still need checking, even where the product is described as compact.

Price	£29.95
Availability	In stock
Listed Power	10W
Model	43CWR12G
Size	12 inch
Brand	Kicker
Product Type	Enclosed Subwoofers
Size Detail	12 inch

Check CarAudioCentre.co.uk

Best for factory stereos

Pioneer TS-WX306T 30cm Subwoofer in Bass-Reflex Tube Enclosure

A bass subwoofer choice for adding more weight to the system.

What we like

At £149.99, it costs £125.04 more than Kicker 43CWR8G, so the extra spend is tied to the specification and fitment choice.
Its listed 1300W power matches 1 other pick, making like-for-like installation planning easier.
The product type gives a clear starting point for deciding between a compact bass upgrade and a separate amplifier setup.

What we don't like

It is £125.04 above the cheapest pick without a clearly unique listed specification to explain the difference.
The enclosure and underseat or boot dimensions still need checking, even where the product is described as compact.

Price	£149.99
Availability	In stock
Listed Power	1300W
Model	TS-WX306T
Brand	Pioneer
Product Type	Enclosed Subwoofers
Size Detail	10 inch

Check CarAudioCentre.co.uk

Best for stronger low end

Pioneer TS-WX300A 12" 30cm Powered Active Subwoofer/Class D Built-in Amplifier

A 12-inch active subwoofer choice for adding more weight to the system.

What we like

At £172.07, it costs £147.12 more than Kicker 43CWR8G, so the extra spend is tied to the specification and fitment choice.
Its listed Active design matches 1 other pick, making like-for-like installation planning easier.
Its active design includes amplification in the product, unlike passive options that need a separate amp.

What we don't like

It is £147.12 above the cheapest pick without a clearly unique listed specification to explain the difference.
The enclosure and underseat or boot dimensions still need checking, even where the product is described as compact.

Price	£172.07
Availability	In stock
Listed Power	1300W
Model	TS-WX300A
Size	12 inch
Subwoofer Design	Active
Brand	Pioneer
Class	D amplifier that is built into the side of the enclosure, amplifying the bass to high volumes, but a, D amplifier also has various settings ensuring the user can get the type of bass they want, dependin
Product Type	Enclosed Subwoofers
Shipping Weight	5 kg
Size Detail	12 inch

Check CarAudioCentre.co.uk

Best for flexible installation

Ground Zero GZIB 20BR 150 Watt RMS 20 cm / 8″ vented subwoofer loaded enclosure

A 8-inch active subwoofer choice for adding more weight to the system.

What we like

At £179.99, it costs £155.04 more than Kicker 43CWR8G, so the extra spend is tied to the specification and fitment choice.
The only pick here listing 150W power, giving it a clear difference from the other 5 options.
Its active design includes amplification in the product, unlike passive options that need a separate amp.

What we don't like

It is £155.04 above the cheapest pick, so the higher price depends on whether the distinct 150W power suits the installation.
The enclosure and underseat or boot dimensions still need checking, even where the product is described as compact.

Price	£179.99
Availability	In stock
Listed Power	150W
Model	GZIB 20BR
Size	8 inch
Subwoofer Design	Active
Brand	Ground Zero
Dimensions	400 x 270 x 290/230 mm (Width x Height x Top/Bottom Depth)
Power Detail	Monoblock
Product Type	Subwoofer Enclosure

Check CarAudioCentre.co.uk

Buying guide

What to check before ordering

Start with the space available, then compare RMS power, enclosure type and input options. A factory stereo may need high-level inputs or a line-out converter, while a passive subwoofer needs a separate amplifier.

Use the model number as the final reference. Retailer images and prices can change, and vehicle fitment should be confirmed for the exact make, model and year.

Best Enclosed Subwoofersin 2026.

Kicker 43CWR8G CompR, CompRT & CompC 8" Round Subwoofer Grill

Our picks compared

What each pick is best at

Kicker 43CWR8G CompR, CompRT & CompC 8" Round Subwoofer Grill

What we like

What we don't like

Kicker 43CWR10G CompR, CompRT & CompC 10" Round Subwoofer Grill

What we like

What we don't like

Kicker 43CWR12G 12" CWR ROUND SUBWOOFER GRILL

What we like

What we don't like

Pioneer TS-WX306T 30cm Subwoofer in Bass-Reflex Tube Enclosure

What we like

What we don't like

Pioneer TS-WX300A 12" 30cm Powered Active Subwoofer/Class D Built-in Amplifier

What we like

What we don't like

Ground Zero GZIB 20BR 150 Watt RMS 20 cm / 8″ vented subwoofer loaded enclosure

What we like

What we don't like

What to check before ordering

Best Enclosed Subwoofers
in 2026.