Vehicle audio solutions since 2001

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Under seat subwoofers are the perfect solution for car enthusiasts who crave enhanced bass without compromising on space. Designed to fit snugly beneath your seats, these compact subwoofers deliver powerful sound while keeping your cargo area free for luggage or other essentials. Whether you're on a road trip or just commuting, you can enjoy rich, deep bass that transforms your listening experience. With easy installation and minimal impact on your vehicle’s interior, under seat subwoofers combine convenience and performance, ensuring you never miss a beat, no matter where the road takes you. Upgrade your car’s audio system today and feel the difference!

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Alpine SPC-W84AS907-2 6-Channel DSP Amplifier & Under-Seat Subwoofer System for Mercedes Sprinter

Alpine SPC-W84AS907-2 6-Channel DSP Amplifier & Under-Seat Subwoofer System for Mercedes Sprinter

The Alpine SPC-W84AS907-2 upgrades your Alpine Adventure Audio speaker system in Mercedes-Benz Sprinter 907 / 910 vehicles to the Concert Ensemble level. This premium package combines a 6-channel DSP amplifier with a 180-watt under-seat subwoofer, delivering significantly more power, clarity, and deep bass. The DSP amplifier is pre-programmed specifically for the Sprinter platform and includes a plug-and-play wiring harness for original Mercedes radios or aftermarket head units with RCA outputs, ensuring a clean and professional installation.

Stock code: SUB-ALP-W84AS907
Price: £582.50 (£699.00 inc VAT)
Alpine SPC-W84AT6-2 6-Channel DSP Amplifier & Under-Seat Subwoofer System for VW T6 / T6.1

Alpine SPC-W84AT6-2 6-Channel DSP Amplifier & Under-Seat Subwoofer System for VW T6 / T6.1

The Alpine SPC-W84AT6-2 is a premium 6-channel DSP amplifier and under-seat subwoofer system designed to upgrade Alpine Adventure Audio speaker systems in Volkswagen T6 and T6.1 vehicles. Featuring the PDA-S560 DSP amplifier with vehicle-specific tuning and a 180-watt under-seat subwoofer, this Concert Ensemble package delivers increased power, clarity and deep bass. Pre-programmed sound profiles, plug-and-play wiring for factory or aftermarket radios, and compatibility with rotary seats make this a powerful yet discreet audio upgrade.

Stock code: SUB-ALP-W84AT6
Price: £582.50 (£699.00 inc VAT)
Alpine SPC-W84ATRA7-2 Under-seat Subwoofer and 6-Channel DSP Amplifier for Ford Transit 7 Series

Alpine SPC-W84ATRA7-2 Under-seat Subwoofer and 6-Channel DSP Amplifier for Ford Transit 7 Series

Upgrade your Ford Transit 7, Transit 7 Custom or Tourneo 7 Custom audio system with the Alpine SPC-W84ATRA7-2. This complete kit features a plug-and-play 6-channel DSP amplifier matched to the vehicle’s sound characteristics and a powerful 20 cm (8") dual voice-coil subwoofer in a custom under-seat enclosure. With easy OEM-integration, custom mounting brackets and harnesses, it delivers rich bass and refined sound staging in a van or motorhome environment.

Stock code: SUB-ALP-W84ATRA7
Price: £582.50 (£699.00 inc VAT)
Alpine SPC-W84ATRA7-2 Under-seat Subwoofer and 6-Channel DSP Amplifier for VW Crafter & MAN TGE

Alpine SPC-W84ATRA7-2 Under-seat Subwoofer and 6-Channel DSP Amplifier for VW Crafter & MAN TGE

Upgrade your Alpine Adventure Audio system to the Concert Ensemble with the Alpine SPC-W84ACRA2-2, combining a powerful under-seat subwoofer with the PDA-S560 6-channel DSP amplifier. Designed specifically for Volkswagen Crafter 2, Grand California and MAN TGE (2017+), this system dramatically improves power output, dynamics and bass performance. The DSP amplifier is pre-programmed for perfect sound tuning, while the included plug-and-play wiring harness supports original VW radios or aftermarket head units with RCA outputs for fast, seamless installation.

Stock code: SUB-ALP-W84ACRA2
Price: £665.83 (£799.00 inc VAT)
Pioneer TS-WX130EA space saving active underseat car subwoofer with Class-D amplifier

Pioneer TS-WX130EA space saving active underseat car subwoofer with Class-D amplifier

Pioneer launches yet another product in its generation of Class D amplified subwoofers , which produces 160 watts of strong, rich, deep bass that you can feel without giving up space. With amplifier adjustments directly on the product itself, users can easily control and customize the bass effect. Users can easily mount the TS-WX130EA under the front seats or in the trunk .

Thanks to the use of Class D technology, the Pioneer TS-WX130EA is even easier to install as it can accept both high (speaker line input) and low (RCA wire input) input signals, which means you can connect it to upgraded or original stereo systems, and easily upgrade the audio you have now.

Stock code: SUB-PIO-TSWX130EA
Price: £116.66 (£139.99 inc VAT)
Alpine SWC-W84TRA7 8" Under-seat Subwoofer with Custom Enclosure for Ford Transit 7 Series

Alpine SWC-W84TRA7 8" Under-seat Subwoofer with Custom Enclosure for Ford Transit 7 Series

Upgrade your Ford Transit 7, Transit 7 Custom or Tourneo 7 Custom with the Alpine SWC-W84TRA7 subwoofer kit. This 8" (20cm) dual-voice-coil subwoofer is installed in a sealed, custom-fit enclosure designed for under-seat installation and delivers up to 180W peak/60W RMS output for powerful, clean bass. Includes installation brackets and under-seat mounting cable – just add a compatible amplifier and integrate into your sound system with ease.

PLEASE NOTE: This subwoofer kit is not compatible with the Ford Nugget or Transit 7 Custom Nugget

Stock code: SUB-ALP-W84TRA7
Price: £124.17 (£149.00 inc VAT)
Pioneer TS-WX140DA Active 8" (20cm) Slim underseat car subwoofer with built-in 170W amplifier

Pioneer TS-WX140DA Active 8" (20cm) Slim underseat car subwoofer with built-in 170W amplifier

The ultra compact Pioneer TS-WX140DA amplified space saving subwoofer lets you add strong and rich bass to your sound system without taking up much space in your vehicle.

TS-WX140DA is a small active subwoofer in a sealed enclosure, delivering 170 W Maximum power and 50 W Nominal Power.

The ultra-compact casing of this subwoofer is only 280mm x 200mm x 70mm. This works well under or behind the seat of a car or truck, or behind the seats of a sports car or pickup truck,

Thanks to the inclusion of Class-D technology, Pioneer’s TS-WX140DA is even easier to install, as it is capable of taking both High (Speaker Line Input) and Low (RCA Line Input) input signals.

Stock code: SUB-PIO-TSW
Price: £149.17 (£179.00 inc VAT)
RECOIL 10-inch (250mm) 300W slim amplified underseat subwoofer

RECOIL 10-inch (250mm) 300W slim amplified underseat subwoofer

PLEASE NOTE: An installation wiring kit is included with this product, part number 33-109

This compact 10-inch (250mm) amplified subwoofer is an all in one system, allowing you to add deep, accurate bass to your vehicles original sound set up without taking up too much valuable space. Its high quality craftsmanship and slim design mean it fits perfectly under the seats of a car, van or SUV, or even on the rear bulkhead of a convertible or pickup. The system includes a built-in class-AB amplifier meaning there is no need for an external amplifier and its adjustable gain control allows you to match it to the vehicles original system, allowing all the speakers to complement each other.

Stock code: SUB-US10
Price: £149.99 (£179.99 inc VAT)
RECOIL 8-inch (200mm) 550W slim amplified underseat car subwoofer with installation wiring kit

RECOIL 8-inch (200mm) 550W slim amplified underseat car subwoofer with installation wiring kit

PLEASE NOTE: An installation wiring kit is included with this product, part number 33-109

The SL1789 compact 8-inch (200mm) amplified subwoofer from RECOIL is an all in one system, allowing you to add deep, accurate bass to your vehicles original sound set up without taking up too much valuable space. Its high quality craftsmanship and slim design mean it fits perfectly under the seats of a van or SUV, or even on the rear bulkhead of a convertible or pickup. With 2 x built-in passive radiators and an included remote control, the SL1789 allows you to change the amount of bass without changing the radio volume allowing the perfect mixture of bass in your music at any volume.

Stock code: SUB-US8
Price: £166.66 (£199.99 inc VAT)
Alpine SWC-W84CRA2 8" Under-seat Subwoofer with Custom Enclosure for VW Crafter/ MAN TGE

Alpine SWC-W84CRA2 8" Under-seat Subwoofer with Custom Enclosure for VW Crafter/ MAN TGE

The Alpine SWC-W84CRA2 is a high-performance 8? dual voice coil subwoofer with enclosure, designed specifically for Volkswagen Crafter 2, Grand California 2 and MAN TGE vehicles (2017 onwards). Pre-installed in a custom wooden box for under-seat placement, it delivers powerful bass to enhance your existing audio system. Installation is straightforward with included brackets and a 4-pin connection cable. An external amplifier is required to drive the subwoofer for full performance. Compatible with Volkswagen Crafter 2 Panel Van, Minibus, Grand California and MAN TGE.

PLEASE NOTE: A separate amplifier is required to power this subwoofer.

Stock code: SUB-ALP-W84CRA2
Price: £182.50 (£219.00 inc VAT)
Alpine PWE-V80 – 8" (20cm) Active Under-Seat Amplified Subwoofer

Alpine PWE-V80 – 8" (20cm) Active Under-Seat Amplified Subwoofer

The Alpine PWE-V80 is a compact, 8" under-seat amplified subwoofer with 160 W peak power. Features include built-in amplifier, sealed die-cast housing, wired remote, variable low-pass filter, and simple installation. Ideal for enhancing low-frequency sound in any vehicle.

Stock code: SUB-ALP-PWE-V80
Price: £207.50 (£249.00 inc VAT)
Alpine PWE-S8 Powered 8-inch (20cm) Flat underseat car subwoofer with built-in 240W amplifier

Alpine PWE-S8 Powered 8-inch (20cm) Flat underseat car subwoofer with built-in 240W amplifier

The PWE-S8 amplified subwoofer system is the perfect solution for those seeking deep, rich bass without sacrificing space in their vehicle. Designed with a high-excursion 8-inch subwoofer and delivering 120W (RMS) power, it guarantees impressive bass output that enhances your audio experience. With a slim profile measuring just 3 inches in depth, it seamlessly fits under or behind seats in trucks, or in the trunk of sedans and SUVs. The user-friendly side panel provides easy access to RCA and auto-sensing speaker inputs, along with Phase, Gain, LP Crossover, and Remote Sub Level controls, allowing for a tailored installation process. Transform your sound system with the compact power of the PWE-S8!

Stock code: SUB-ALP-PWES8
Price: £207.50 (£249.00 inc VAT)
BLAM RELAX MSP 25P extra-slim Passive underseat car subwoofer

BLAM RELAX MSP 25P extra-slim Passive underseat car subwoofer

The RELAX MSP 25P extra-slim subwoofer from BLAM makes it easy to improve the quality of your original audio installation by adding bass without reducing too much space in the vehicle. At a height of only 68mm (78mm with Grill) the MSP 25P slim design allows for easy installation in multiple locations throughout the vehicle. It fits perfectly under the seats of a van or SUV, or even on the rear bulkhead of a convertible or pickup.

We recommend using this with the BLAM RA 251D mono amplifier (BL-RA251D)

Stock code: BL-MSP25P
Price: £216.67 (£260.00 inc VAT)
Alpine SS-SB10 10" (25cm) S-Series Shallow Preloaded Subwoofer and Enclosure

Alpine SS-SB10 10" (25cm) S-Series Shallow Preloaded Subwoofer and Enclosure

The Alpine SS-SB10 is a slim 10? passive subwoofer designed to deliver deep, impactful bass in tight spaces. Perfectly optimized for use with Alpine’s S-Series 5-channel amplifier (S2-A55V), it can be installed under seats, behind panels, or in hatchbacks without compromising cabin space. With a shallow 3-inch mounting depth and high-performance driver, the SS-SB10 provides exceptional low-frequency output. Its high-level and RCA inputs make it compatible with both OEM and aftermarket systems, offering a seamless upgrade for rich, hard-hitting bass without a bulky enclosure.

Stock code: SUB-ALP-SS-SB10
Price: £374.17 (£449.00 inc VAT)