10 Best Under Seat Car Sub Woofer in The UK

Last updated on 10/08/2025

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Best Choice

9.8

Exceptional

Sony

Sony XS-AW8 8-Inch Powered Under Seat Sub woofer with Wired Remote Control (XSAW8)

Why We Love It

Sound customization from driver's seat.
Ease of installation and tuning.
Superior construction ensures durability.

Main Highlights

ultra-sleek shallow subwoofer-no space for a big subwoofer enclosure? at only 3 1/8” (78 cm) deep, the xs-aws powered subwoofer fits in tight spaces m your vehicle for powerful bass sound throughout the car
160-w peak output power-fill your car with 160 w (75 w rms) of clean, dynamic bass sound with our original power ic. the matched class a/b amp is designed for high power and natural, distortion-free sound even at high output levels
high level input/audio line input-what if you are using a factory radio that does not have pre-amp outputs? simply connect the speaker outputs of your receiver to the high-level inputs
wired remote commander-a supplied wired remote commander allows you to adjust the subwoofer volume from the driver’s seat
single-sided controls & terminal-connections and amplifier controls are together on the same side for easy installation and tuning. the amplifier features a variable low-pass filter for simple connection to full-range sources
8 - inch powered subwoofer-easy installation and great sound
great for any location-due to the size, put this under or behind your seat to increase the low end bass sound throughout your vehicle
solid construction-built with the best materials and by sony, a leader in vehicle audio and video
Included components: speaker, amp, remote

JBL Bass Pro SL2 8'' Underseat Subwoofer Boombox

Free Shipping

Why We Love It

High Quality makes a difference.
Music experience at its best.
Sound quality exceedingly brilliant.

Main Highlights

High Quality Caraudio
Enjoy the best music experience
Excellent Sound Quality

In Phase USW300 300W Underseat Subwoofer - Active Car Subwoofer with Built-in Amplifier

Free Shipping

Why We Love It

Powerful built-in amplifier.
Aluminium coned durability.
Compact, discrete design.

Main Highlights

Rich powerful base - With a built in amplifier, max output of 300 W and 130 W RMS, the In Phase USW300 is a true pocket powerhouse of audio performance
Aluminium coned subwoofer - Aluminium Cones are light in weight and can be really stiff, but they are really robust cones that rarely go wrong. This sub has a damping material built into its cone and spider to ensure a rattle-free performance and deep bass
Heavy duty durable construction - Die Cast Aluminium Chassis - no plastic structure here. The metal body is part of a secure and rigid structure, no flexing body when the unit is in full power, this also helps with bass output
Compact and discrete - Allowing to install the USW300 anywhere within vehicles Boot, Undersea, behind seat and foot wells

VIBE Slick C10A 10inch Car Underseat Compact Slim Active Amplified Subwoofer Sub Bass Box Enclosure

22% OffFree Shipping

Why We Love It

Optimal size for bigger sound.
Unique design enhances performance.
Ideal for limited space.

Main Highlights

BEST SIZE - The slick C10 is our largest diameter shallow enclosure, the larger driver means more power handling, bigger sound and more bass. All in one subwoofer and amp
PREMIUM LOOK - VIBE aesthetics with red and black featuring a red PCB over the power and input side and a steel mesh grille to protect the large 10 inch sub.
BEST DESIGN - The aluminium enclosure features a unique design which maximises performance. The aluminium enclosure reduces resonance and allows for the subwoofer to perform its best losing no output to enclosure resonance.
OPTIFIT - The slim design keeps the enclosure height under 75mm, making the enclosure suitable for either under seat subwoofer applications, or in a vehicle where trunk space is limited.
AUTO TURN ON - Built in high level level speaker input allows for easy installation to exsisting car stereo

Pyle 20cm Underseat Car Subwoofer – 600W Active Subwoofer with Built-in Amplifier, Low & High-Level Inputs, Car Audio Speaker for Any Vehicle, Black

9% OffFree Shipping

Why We Love It

Powerful 600 watt output.
Built-in adjustable amplifier.
Compact space-saving design.

Main Highlights

600W Power: Pyle’s 20.3 cm Amplified Low Profile Subwoofer offers a maximum power of 600 watts. It produces great low-frequency bass, enhancing your car's audio system and the party vibe.
Built-in Amplifier: The integrated amp features low pass crossovers and a control for adjusting input sensitivity from 0.12V to 3.5V. Includes a variable bass boost and remote level control for adjusting subwoofer levels.
Low Profile: With a height of just 7.6 cm, it fits easily under most vehicle seats. Dimensions: 32.5 x 24.1 x 7.6 cm. Mounting hardware included, making it a perfect addition to your car stereo system.
High-Level Input: Use speaker line inputs (high-level inputs) when your head unit lacks RCA outputs. Connect properly with the supplied cable as shown in the manual for optimal audio source connection.
Low-Level Input: Recommended for introducing the audio signal, line-level inputs (RCA) are ideal if your head unit or other source has RCA outputs, ensuring the best sound performance for the hideaway subwoofer.

Pioneer TS-WX130EA Space Saving Active Subwoofer with Built-In Class-D Amplifier

Free Shipping

Why We Love It

Compact design fits anywhere.
Installation is a breeze.
Enhanced audio with clarity.

Main Highlights

Flat active subwoofer
Easy to install for example under the seat
Built-in amplifier
Frequency response 40 to 200 Hz
Sensitivity is 98 decibel
Included components: 1 subwoofer

VIBE Car Audio Car Audio 240W Pulse PULSEC8A-V0 Underseat Ultra Slim Compact Active Subwoofer System, Die-Cast Aluminium loaded subwoofer enclosure, under seat subwoofer enclosure

20% OffFree Shipping

Why We Love It

Compact design for minimal space.
Easy integration into any vehicle.
Includes remote for bass control.

Main Highlights

COMPACT DESIGN - The high excursion 6x8” slim subwoofer enclosure will give you added bass when you have no space. The subwoofer and amp are combined into one unit
BEST INTEGRATION - The high level input and auto turn on functions make this enclosure easy to integrate into any vehicle. Use High level for speaker connection to factory stereo
PREMIUM BUILD QUALTY - The cast alloy chassis offers a robust solid enclosure perfect for sound reproduction as well as being very hard wearing. The 6X 8inch Subwoofer speaker produces rich bass.
AMAZING SOUND - The built in amplifier features an onboard crossover and variable bass boost and produces accurate tight bass response with a smooth rounded sound
TOTAL CONTROL - The elegant design also includes a wired dash mounted remote control to allow bass level adjustment from the driver seat. The gain level is adjusted by turning the dial.

YaeCCC 10 Inch 600W Car Under-Seat Sub Woofer Active Powered Amplifier Bass Enclosed

Why We Love It

Compact design fits under seats.
Powerful sound with adjustable controls.
Easy installation for all systems.

Main Highlights

The slim subwoofer and amp package is an effective solution to give you great sounding bass in your vehicle without taking up a lot of space. This sub enclosure is only 2.6" thick so that it can easily fit under your seat.
The 10 inch under seat subwoofer and amp package has 800 watts of peak power and 200 watts RMS,which has great controls so you can adjust the sound to your liking.PWM MOSFET Power Supply,with amplifier built in,high Level Inputs,adjustable Input Sensitivity and overload protection circuit.
This car subwoofer enclosure is made of cast aluminum for excellent heat dissipation and reliable performance.Black paint stainless steel mesh, no rust,no deformation,designed of high temperature resistant coil.
This underseat subwoofer with amp includes wired bass volume remote control. With gain, bass boost and crossover controls, giving you a stunning bass experience.
The powered subwoofer car audio features quick and easy installation due to the design that we put all the inputs and outputs on one side. This makes wiring neater and easier. Compatible with a variety of car stereo audio systems.

Pioneer TS-WX140DA Class D 160 Watt Active Underseat Subwoofer

Free Shipping

Why We Love It

Powerful Bass enhances listening experience.
CarSoundFit App improves sound quality.
Digital Bass Control customizes music.

Main Highlights

Powerful Bass, without losing space.
CarSoundFit App - Car sound simulator application for an improved in-car sound experience
DIGITAL BASS CONTROL - Selectable "BASS MODE" (DEEP/DYNAMIC) allows you to match the best bass style to your choice of favourite music.

TKOWQM Slim Under Seat Powered Car Subwoofer,10”800W Subwoofer Stereo Surround Sound, Built-in Car/Track Audio Amplifier with Blue LED Ambient Light

Free Shipping

Why We Love It

Reliable heat dissipation design.
Cool LED ambient lighting.
Compatible with various audio systems.

Main Highlights

【Reliable Design】10" 800W Slim under-seat car subwoofer with built-in amplifier,the shell made of cast aluminum ,housing for heat dissipation and reliable performance
【Cool Design】The car subwoofer protector adopts spider shape, making your audio look cooler, and the speaker has its own LED ambient light. When the car starts, the light of the car subwoofer will light up.
【Excellent experience】The car subwoofer supports high + low level input and limited bass volume remote control, which is compatible with a variety of car stereo audio systems and car head unit devices, giving you an extraordinary bass experience.
【Product Specifications】Signal to Noise Ratio: >90dB,Frequency Response 20Hz - 500Hz,Input Sensitivity,Low Level: 300mV,Input Sensitivity, High Level: 0.9V,Low Pass Filter: 50Hz - 150Hz,Bass Boost: 0 - 12dB@ 45Hz ,Built-in Sub-Acoustic Filter Load: @20Hz, Total Harmonic Distortion (THD): < 0.4%, Rated Fuse: 25A, Peak Power: 800 Watts, RMS Power Handling: 220 Watts, Impedance: 4 Ohms.
【Service Support】The car subwoofer has a color protection device, the power is green, the protection is red, if the protection shows red, it needs maintenance first. If you have any questions about the installation and quality of the product, you can contact us at any time.

8.7

Excellent

We scanned 1058 products

We reviewed these offers relevant to the Under Seat Car Sub Woofer within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Sony, JBL, In Phase, VIBE, Pyle, Pioneer, YaeCCC, TKOWQM, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Under Seat Car Sub Woofer in the market, we considered we took a deep dive into 5291 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Sony XS-AW8 8-Inch Powered Under Seat Sub woofer with Wired Remote Control (XSAW8). We love many things about this product by Sony. What sets it apart from the competition is Sound customization from driver's seat. , Ease of installation and tuning. , Superior construction ensures durability.
The best value product for most shoppers and where user satisfaction is continuously the highest is JBL Bass Pro SL2 8'' Underseat Subwoofer Boombox by JBL based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Under Seat Car Sub Woofer and the best cost-to-value ratio is VIBE Slick C10A 10inch Car Underseat Compact Slim Active Amplified Subwoofer Sub Bass Box Enclosureat VIBE with a 22% discount.
Our list of the best Under Seat Car Sub Woofer is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Under Seat Car Sub Woofer in The UK

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We scanned 1058 products

We concluded that: