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Underseat Subwoofers
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BOSS Audio Systems BASS8 8 Inch Underseat Powered Car Subwoofer - 800 High Output, Low Profile, Built-in Amplifier, for Trucks, Boxes and Enclosures, Remote Control Subwoofer B09TQ6BW2N
SPACE SAVING If you have limited space, this is a great solution for you. The combination of amplifier and subwoofer in one makes it ideal for spatially challenged vehicles. With a slim design, there are a few installation options Pulse width modulated - PWM simplifies power supply. It accurately controls the output voltage and current by not only removing the output current sensor loss, but also eliminating all secondary feedback circuits. Efficiency Increased reliability Variable Low Pass Filter - A low-pass filter is an electronic circuit that removes all sounds below the frequency setting of the filter. You will use the low pass filter to primarily make high tones from your subwoofer High level entrances away. Speaker level inputs are commonly referred to as high-level inputs. It is used to connect the BASS8 to your factory radio or an aftermarket radio that does not have low level inputs (RCA). RPA2023 Low Level Inputs - Line level inputs, also known as RCA inputs or low-level inputs, use RCA connection cables to connect the BASS8 to the source unit.
£107.10
Shipping: £31.47
Amazon Marketplace - Amazon US

Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Marine Underseat Car Subwoofer with Built In Amp, Powered Car Subwoofer w/Low & High Level Inputs B0H7XZCPM7
600 WATT POWER: Pyle’s 8" Amplified Low Profile Subwoofer System offers a maximum power of 600 watts. It lets you pump out some great low bass volume to enhance the party vibe making it a great addition to your marine music audio system BUILT-IN AMPLIFIER: The integrated amp in the compact subwoofer features low pass crossovers & a control for adjusting input sensitivity from 0.12V to 3.5V. Includes variable bass boost, control the subwoofer level w/ the remote level control module LOW PROFILE: With height of just 3", it's a perfect solution when space is an issue, it can easily fit under the seat of most vehicles! Total dimension is 12.8”x9.5"x3” & includes mounting hardware. A great addition to your marine stereo sound system HIGH LEVEL INPUT: Speaker line inputs are known as high-level inputs. If your head unit does not have RCA outputs, you can use the speaker outputs for the audio source. Use the supplied cable and connect the outputs properly as shown in the manual LOW LEVEL INPUT: Line level inputs, also known as RCA input or low-level inputs. Low level inputs are the recommended way to introduce the audio signal to the hideaway subwoofer if RCA outputs are present on your head unit or other signal source
£129.99
Shipping: Free
Amazon

Slim Underseat Powered Car Subwoofer 10in 800W with LED Atmosphere Light Excellent Heat Dissipation Performance OPC-PVV96BG-NEW
1ãÂÂSlim Design with Powerful Performance: The under seat subwoofer is a 10in slim active car truck subwoofer with a built in amplifier, housed in a...
£257.06
Shipping: Free
OnBuy

Pyle 20cm Underseat Car Subwoofer – 600W Active Subwoofer with Built-in Amplifier, Low & High-Level Inputs, Car Audio Speaker for Any Vehicle, Black B09F7MB8LC
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.
£111.99
Shipping: Free
Amazon

Pyle 28.5 cm Car Subwoofer, Underseat Slim Amplified Sub Woofer System, 900W Powered Car Audio Speaker, Enclosed Active Marine Under Seat Audio Sub Bass Box, w/Built in Amp Low and High Level Inputs B09MDNK8N7
900-Watt Power: The 25.4 cm amplified subwoofer delivers 900W, producing powerful bass for immersive sound. Ideal for marine and vehicle audio upgrades. Built-In Amplifier: Features adjustable input sensitivity (0.12V–3.5V) and variable bass boost, with a remote module for easy control. Low Profile Design: Only 7.6 cm high, fitting under most vehicle seats for space-saving installation. Dimensions: 36 cm x 28.4 cm x 7.6 cm. High-Level Input: Use speaker line inputs if RCA outputs are unavailable. Connect easily with the provided cable per manual instructions. Low-Level Input: RCA inputs offer optimal sound connection for head units or other sources, ensuring high-quality audio.
£149.98
Shipping: Free
Amazon

In Phase USW12 Car Audio 600W 12" Underseat Ultra Slim Compact Active Subwoofer System, Die-Cast Aluminium USW12-SC
ALUMINIUM CONED SUBWOOFER - With a built in amplifier powering an aluminium coned subwoofer and a max output of 300W, the In Phase USW10 is a true pocket powerhouse of audio performance HEAVY DUTY DURABLE CONSTRUCTION - 6" Aluminium coned sub bass driver housed in a DieCast Aluminium chassis COMPACT AND DISCRETE - Allowing you to install the USW10 anywhere within your vehicles Boot, Underseat, behind seat and foot wells. Dimensions 270mm (D) x 65mm (H) REMOTE CONTROL - Bass remote included (5 meters) COMPTABILITY - RCA and High Level inputs (will work with both OEM and Factory Fitted head units).
£159.99
Shipping: Free
Amazon Marketplace - Auto Tech Innovations

VW T5/T6/T6.1 UNDERSEAT SUBWOOFER HELIX IK EC10.1-DVC2 – VW MULTI-TRANS PASSIVE
VW T5/T6/T6.1 UNDERSEAT SUBWOOFER HELIX IK EC10.1-DVC2 – VW MULTI-TRANS PASSIVE, Vehicle Parts & Accessories > In-Car Technology, GPS & Security > In-Car Entertainment > Subwoofers
£219.95
Shipping: Free
eBay - crowncustoms-car-audio

Phoenix Gold ZDSB200S 8" BMW High Quality Slim Underseat Subwoofer Upgrade 300W
Phoenix Gold ZDSB200S 8" BMW High Quality Slim Underseat Subwoofer Upgrade 300W, Vehicle Parts & Accessories > In-Car Technology, GPS & Security > In-Car Entertainment > Subwoofers
£329.99
Shipping: Free
eBay - motor-solutions

Musway BMW Underseat Subwoofer Upgrade 8" 300w 2ohm for BMW E F &G Models Plug & Play
BMW Underseat Subwoofer Upgrade 8" 300w 2ohm for BMW E F &G Models Plug & Play, Vehicle Parts & Accessories > In-Car Technology, GPS & Security > In-Car Entertainment > Speakers
£294.99
Shipping: Free
eBay - allwoodsaudio

Phoenix Gold ZR10P 10" Active Underseat Subwoofer 400W Powerful Bass Car Audio
Phoenix Gold ZR10P 10" Active Underseat Subwoofer 400W Powerful Bass Car Audio, Vehicle Parts & Accessories > In-Car Technology, GPS & Security > In-Car Entertainment > Subwoofers
£217.99
Shipping: Free
eBay - motor-solutions

Vibe Underseat Subwoofer Front Rear Door Speaker Adapter Kit For VW Golf 1997-2005
Underseat Subwoofer Front Rear Door Speaker Adapter Kit For VW Golf 1997-2005, Vehicle Parts & Accessories > In-Car Technology, GPS & Security > In-Car Entertainment > Subwoofers
£239.99
Shipping: Free
eBay - motor-solutions

Onchdbfhuu 800W Car Audio Subwoofer DC 12V Car Subwoofer Amplifier 8x10Inch Car Mounted Subwoofer Under Seat Subwoofer EIXILk6JS48A4D9-CapMne2cX2WqR-05vq
1. Flexible and easy to use.Perfect match with the Car 4. Stable performance, high reliability.a perfect replacement for your old 2. New and qulity, to use,Made of high quality material, 3. Built to quality control standards.Not easy to damage, long service life 5. Correct Connector No cutting or splicing.
£82.29
Shipping: £0.50
Amazon Marketplace - Patrick MacDonald

BMW Compatible 8-Inch High-Quality Under-Seat Car Subwoofer for F10, F30, G30, G20, F20, F22, F23, F48, F34, E90, E60, X5, X3 Models
This high-quality under-seat car subwoofer is designed to enhance your vehicle's audio system with powerful bass performance. Compatible with...
£1,128.58
Shipping: Free
OnBuy

Version 2 Z Series - Underseat Subwoofer Amplified Bass Box 8" subwoofer 150 Watts - Includes Remote Bass Controller and remote subwoofer level control - Power Output: 150w x 1 at 2 ohms 300w peak CAWA-Phoenix Gold Z8150v2
Power Output: 150w x 1 at 2 ohms 300w peak Variable bass boost (0 - 18dB) Includes remote subwoofer level control Auto power On / Off Overall dimensions 354mm x 250mm x 68mm, 13 15/16 x 9 13/16 x 2 11/16
£119.95
Shipping: Free
Amazon Marketplace - Car Audio Warehouse

VIBE Audio SLICK 10" (30cm) Subwoofer under seat compact active bass enclosure 540W (Amplifier included) loaded active hide away design. B09RHK9SX9
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
£146.00
Shipping: Free
Amazon

BMW Under-Seat 8-Inch Subwoofer for F10, F11, F30, F32, F20, F22, F34, F47, F48, E90, E60, G30, G20, X1, X3, X5, 3 & 5 Series
- Designed specifically for BMW models including F10, F11, F20, F22, F30, F32, F34, F47, F48, E90, E60, G30, G20, X1, X3, and X5, covering 2004 to...
£451.34
Shipping: Free
OnBuy

Rockville WHEEL OF BASS 8" Slim Under-Seat Powered Truck/Car Audio Subwoofer Sub B09SW7DKWV
Rockville WHEEL OF BASS 8" 500w Slim Under-Seat or Trunk Mounted Powered Car Subwoofer. Enclosure is very shallow at only 3.15” tall so it can fit anywhere. You can fit it under seat but it also sounds great and takes up little space in your trunk. Enclosure is made out of solid cast aluminum. Peak Power Handling: 500 Watts. RMS Power Handling: 125 Watts. Heavy Duty Mounting Feet. PWM MOSFET Power Supply. Low Level RCA Input. High Level Inputs with Auto Turn-On Technology. Adjustable Input Sensitivity. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit Overload Protection Circuit. Green Power/Red Protect LED. Phase Switch: 0° or 180°. Low Pass Filter: 50Hz - 180Hz. Bass Boost: 0 - 12dB @ 45Hz. Built in Subsonic Filter @ 20Hz
£116.26
Shipping: £30.34
Amazon Marketplace - Amazon US

Audio Tech Direct UnderSeat Amp Sub Wiring Kit Recoil SL1710 10” Slim Mono Amplified Car Subwoofer
UnderSeat Amp Sub Wiring Kit Recoil SL1710 10” Slim Mono Amplified Car Subwoofer, Vehicle Parts & Accessories > In-Car Technology, GPS & Security > In-Car Entertainment > Amplifiers
£264.36
Shipping: Free
Base price: £264.36 / 100 g
eBay - audiotechdirect
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