Are you trying to find vehicle subwoofer systems among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling vehicle subwoofer systems on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 13 hours of research and did 32 vehicle subwoofer systems tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best vehicle subwoofer systems you can buy today
- Space Saver - If you are tight on space, this is a great solution for you. The combination of amplifier and subwoofer all into one, makes this ideal for spatially challenged vehicles. With a slim design, there are a few installation options
- Pulse Width Modulated - PWM simplifies power supplies. It controls the output voltage and current precisely by not only removing the output current sensing loss, but also eliminating all secondary feedback circuitry. Efficiency. Increased reliability
- Variable Low-Pass Filter - A low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. You will use the Low-pass filter to primarily keep high notes out of your subwoofer(s)
- High Level Inputs - Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the BASS10 to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs
- Low Level Inputs - Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the BASS10 with the source unit. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers
- Variable Bass Boost - Variable Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
- Specs - Dimensions: 14” x 12.3” x 3.3”, Weight: 11.35 lbs. Phase control. LED status indicator. Thermal, Short and Overload Protection Circuits. High Performance Voice Coil. Rubber Surround. Aluminum Cone
- Warranty - BOSS Audio Systems provides a Powerful 3 Year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality
- BUILT-IN AMPLIFIER: A built-in 1200 Max watt amplifier powers the subwoofer
- PULSE WIDTH MODULATED: This design controls the output voltage and current precisely by not only removing the output current sensing loss, but also eliminating all secondary feedback circuitry. It increases efficiency, is lighter, smaller reliable
- VARIABLE LOW-PASS FILTER: A low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. You will use the Low-pass filter to primarily keep high notes out of your subwoofer(s)
- HIGH LEVEL INPUTS: Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the BAB10 to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs
- LOW LEVEL INPUTS: Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the BAB10 with the source unit. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers
- VARIABLE BASS BOOST: Variable Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
- DIMENSIONS: 14 inches in Depth, 12. 3 inches in Width and 3. 3 inches in Height. If you are short on space, this is a great solution for you. The combination of amplifier and subwoofer all into one, makes this ideal for spatially challenged vehicles
- : BOSS Audio Systems provides a Powerful 3 Year Platinum Online Dealer so long as the purchase is made through . We strongly encourage professional installation of this product to ensure proper and safe functionality
- Elevate your audio experience with this powerful 10-inch subwoofer car that enhances your music quality and fits perfectly under your seat, saving space in your vehicle.
- Enjoy outstanding heat dissipation with the subwoofer car's cast aluminum shell, which offers 3x improvement in heat dissipation compared to traditional iron shells, keeping your subwoofer cool even in tight spaces.
- Adjust the volume and bass to your liking with the included remote control, featuring gain, bass boost, and crossover controls, for perfect sound at any volume.
- Upgrade your car's interior with the new 2024 upgraded version of this car subwoofer audio that features a sleek, X-shaped speaker protector and a colorful LED light ring that lights up with your car. Lighting modes can be adjusted via the app, giving you more freedom of choice.
- Get high and low-level input support that's compatible with different car stereo audio systems and comes with automatic turn-on technology, adjustable input sensitivity, thermal protection, and overload protection circuitries.
- Enjoy premium customer support with a convenient 6-month replacement warranty and 24/7 customer service for any inquiries or concerns.
- 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 Frequency Response 20Hz - 500Hz, Signal to Noise Ratio: >90dB , Low Level: 300mV, Input Sensitivity, High Level: 0.9V, Dimensions (inches): 13.58"(L) x 10.24"(W).Thickness: 2.68"
- 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 frequency bass volume to enhance the party vibe making it a great addition to your car 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 car 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
- 8-inch JBL BassPro SL powered under-seat compact subwoofer enclosure
- Power output: Peak: 250 watts RMS: 125 watts
- Efficient Class D amplifier
- Soft start turn-on, speaker-level (high-level) inputs with Audio Sense Auto-on
- Optional wired bass remote controller
- Use this adapter to make your installation of a subwoofer bass amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides RCA output and a power wire for the remote amplifier turn on connection. Adjustable gain output.
- Not compatible with factory amplified stereo systems. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.). Connection is done at back of radio. No Factory external amp (no JBL, Bose, etc)
- Compatible Vehicles: Made for Toyota: Made for 2017-2020 Toyota 86, 1988 - 2017 4-Runner, 1987 - 2017 Camry, 1986 - 2006 Celica, 1987 - 2019 Corolla, 1 2007 - 2014 FJ Cruiser, 2001 - 2016 Highlander,2001 - 2018 Prius, 1996 - 2016 RAV4, 2001 - 2016 Sequoia, 1998 - 2016 Sienna, 1995-2019 Tacoma, 2000 - 2019 Tundra, 1987 - 1990 Van, 2009 - 2015 Venza, 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Yaris
- 900 WATT POWER: 10" Amplified Low Profile Subwoofer System offers a maximum power of 900 watts. It lets you pump out some great low-frequency 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 & 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 a 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 14.2”x11.2"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 sources
- Built-in Amplifier - A built-in 400 Max watt amplifier powers the 8” subwoofer
- Passive Radiator – A driver unit that has its motor structure (magnet) removed, becomes a passive diaphragm. As a result, there is no Chuffing that you would generally get with a ported box, thus enriching the BASS & making the system more linear
- Variable Low-Pass Filter - A low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. You will use the Low-pass filter to primarily keep high notes out of your subwoofer(s)
- High Level Input - Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the CUBE8 to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs
- Phase Control - Phase control lets you adjust the speaker phase with the amplifier if your speakers or subwoofer are hooked up “out of phase”
- Low Level Input - Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the CUBE8 with the source unit. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers
- Variable Bass Boost - Variable Bass Boost allows you to adjust the low bass within the boost range to just the way you like it
- Specs - Dimensions: 9.65” x 9.65” x 9.84”, Weight: 14.95 lbs.
- Warranty - BOSS Audio Systems provides a Powerful 3 Year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality
- Use this adapter to make your installation of an amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides one pair rca output and a power wire for the remote amplifier turn on connection. Adjustable gain output.
- VERY IMPORTANT----PLEASE READ BEFORE PURCHASE---- Not compatible with factory amplified stereo systems like JBL, Bose, etc. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.). No factory external amp systems. Connection is done at back of radio.
- Compatible vehicles: Made for Toyota: No factory premium amp systems like JBL, etc/ No factory external amp systems - 2020-2023 4 Runner, 2019-2020 Avalon, 2018-2020 Camry, 2019-2022 C-HR, 2020-2023 Corolla, 2020 Highlander, 2020 Prius, 2019-2020 Rav4, 2020-2022 Sequoia, 2018-2020 Sienna, 2020-2023 Tacoma, 2020-2023 Tundra
- GENERAL || Brand : BLAUPUNKT || Model Number : GTHS131PRO | 00000043 | GTHS-131PRO || UPC : 850053034572 || The Blaupunkt PRO Powered Subwoofer Enclosure delivers powerful and precise bass, enhancing your audio experience with deep, rich tones. Its compact design ensures easy integration into any vehicle, while the built-in amplifier simplifies installation. Upgrade your sound system effortlessly and enjoy a heightened audio performance on the road. ||
- The Blaupunkt GTHS-131PRO is a powered subwoofer enclosure designed to deliver powerful and precise bass, enhancing your audio experience with deep, rich tones. ||
- It's a great choice for those looking to upgrade their car's sound system without taking up too much space, thanks to its compact design. ||
- Here are some of the technical specifications for the GTHS-131PRO || Output Power : 350 Watts || Frequency Response : 50 ~ 150Hz || Signal-to-Noise Ratio (S/N) : 91 dB || Phase Adjustment : 0 – 180° || Bass Boost : 0 – 12dB || Operating Voltage : 14.4V (10V~16V) || Fuse : 15A || Impedance : 2Ω || Product Dimensions : 15L x 11W x 3H inches ||
- The subwoofer also comes with a built-in amplifier, which simplifies the installation process. Its design ensures it can be easily integrated into any vehicle
- Use this adapter to make your installation of a subwoofer bass amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Adjustable gain output.
- Provides rca output. Connection is done at back of radio.
- VERY IMPORTANT----PLEASE READ BEFORE PURCHASE---- Not compatible with factory amplified stereo systems like JBL, Bose, etc. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.).
- Compatible vehicles: Made for Chevrolet: Colorado 2017-2018 (7 inch factory radio vehicles only), Cruze 2016-2018 (7 inch factory radio vehicles only), Equinox 2018 (7 inch factory radio vehicles only), Malibu 2016-2017 (7 inch factory radio vehicles only), Silverado 1500 2016-2018 (7 inch factory radio vehicles only), Silverado 2500/3500 2016-2019 (7 inch factory radio vehicles only); GMC: Canyon 2017-2018 (7 inch factory radio vehicles only),
- Made for Sierra 1500 2016-2018 (7 inch factory radio vehicles only), Sierra 2500/3500 2016-2019 (7 inch factory radio vehicles only)
- Deep, powerful bass with power output of 200W RMS with Bass Boost ranging from 0 – 12dB Variable @ Fix 50 Hz
- Dimensions (D x H): 14-3/16" x 6-1/2" (D360mm x H165mm)
- Frequency Response 30Hz – 150Hz
- Powered 11" Subwoofer
- Car audio Subwoofer
- Included components: BassPro Hub Subwoofer, Safety sheet, Quick Start Guide (full manual online), Hardware for attachment to vehicle, Wiring harness, Remote controller with 5 meters cable
- 20 foot/ 4 gauge red power cable, high quality gold Plated competition agu fuse
- Gold plated agu in-line fuse holder, 3 foot/ 4 gauge black ground cable
- 16 foot/ 18 gauge Blue remote turn-on wire, 30 foot 16 gauge speaker wire
- 17 foot high performance RCA interconnect cable, 6 foot split loom tubing
- (20) 4" Wire ties, (4) rubber grommets
- 5/16" Gold-plated ring terminals, 1/4" Gold-plated ring terminal, (4) Gold-plated speaker terminals
- WATT POWER - 10-Inch Car Audio Subwoofer offers a 200W RMS & peak power of 800W Max w/ 4ohm impedance. Lets you pump out some great low-frequency bass volume to enhance the party vibe making it a great addition to your Car / SUV music audio system
- FOR ENHANCED SOUND - The Select line of subwoofers are a great addition to your car stereo sound system. No sound system is complete without the perfect subwoofer for complimentary bass so don't deprive your Vehicle from the absolute best sound you can get!
- TREATED RUBBER SURROUND - Made entirely of specially treated rubber edge for durability. Designed with this non-fatiguing suspension to keep equipment safe. It is a clean-cut car subwoofer that boasts a Polypropylene (PPI) cone and black steel basket
- SUPERIOR POWERFUL SOUND-The bass speaker is a 10-inch high-quality Polypropylene (PPI) cone. The 32oz magnetic structure and 2-inch Copper-Clad Aluminum Wire 4 layer voice coil power and achieve a frequency response of 40Hz- 1.8KHz. Sensitivity 83.6dB
- INSTALLATION/PLACEMENT - The car subwoofer can be mount inside a box / enclosure. The sub has an Overall Diameter 8.2", Baffle Cutout Diameter 8.97", and Mounting Depth 4.88"
- Sensitivity SPL (1W / 1m) 85 dB, Resonant Frequency 32 Hz
- Polypropylene Cone, 2.5 Inch Voice Coil, Rubber Surround
- Sealed Enclosure Internal Volume: 1.2 Cubic Feet, Ported Enclosure Internal Volume: 1.8 Cubic Feet
- 4 Inch Round Inch Port Circumference, 12 Inch Port Length, 34 Hz Port Frequency
- 4.8 Inch Mounting Height, 11 Inch Mounting Hole Diameter
- Dimensions: Depth 13” x Width 13” x Height 5.4”
- 3 Year Platinum Online Dealer Warranty
- 1200 WATTS PEAK POWER: This drop-in system is designed to create some serious bass, with monster 1,200 watts of power handling and its bandpass design. As an added bonus, the built-in neon accent lighting gives it an attractive custom look
- TWO HIGH POWER SUBWOOFERS: Car Subwoofer Bandpass Speaker System has two high power 4-ohm subwoofers that fit your music streaming hobbies. With this high power subwoofer now you can feel the vibrancy while listening to your favorite songs
- EXTRA DEEP BASS ALIGNMENT: Car Subwoofer Bandpass Speaker System has a bandpass w/ alignment of extra deep bass. It was made w/ extra deep bass to be able to produce a loud sound that makes you feel the vibrancy & have fun listening in your car
- RUBBER EDGE SUSPENSION DESIGN: This speaker system designed a special treated black rubber edge suspension, so the only vibrations you’ll be hearing will come from your music. A specially treated rubber surround is also ready for a beating
- BANDPASS W/ 4 TUNED PORTS: Bandpass enclosures give you the best of both worlds. The two 12-inch subs are mounted inside a sealed chamber, which then delivers sound to the ported chamber through four specially tuned ports and into your vehicle
- Subwoofer and enclosure for UTV audio systems create enhanced, full, deep bass tones you can feel; Dimensions (L x W x H): 18.50 x 17.50 x 20 inches
- Engineered to work perfectly in tandem with existing Polaris RZR systems for gorgeous and powerful sound quality
- Includes 10-inch, dual 4-ohm subwoofer and RZR ported glovebox subwoofer enclosure for a full system upgrade without additional purchases
- Marine-grade protection and IPX rated construction specifically designed for compatibility with UTV vehicles traveling in harsh off-road environments
- Fits with 2013 to 2020 XP, XP41000, 2014 to 2020 XP, XP4Turbo, 900, 900S, 1000S, 2018 to 2020 TurboS, TurboS4, 2014 to 2018 S4900, 2019 to 2020 S41000
- Amp up the tunes in your car with this car subwoofer effortlessly producing amazing sound and boasting 400 watts of maximum power and 200 RMS, with a shallow mounting depth of just 2.95 inches
- Features a powerful 2-inch dual aluminum voice coil with a 4-ohm impedance for crisp and clear sound quality; Cut out 9.13 inches to ensure easy installation of the subwoofer speaker
- Listening experience with this powered subwoofer is improved by the combination of a thermally produced cone cover, a carefully treated rubber edge suspension, and smooth, clear audio output
- Upgrade your car's audio system effortlessly, improving your car amplifier and delivering a noticeable enhancement in sound quality for an enjoyable driving experience
- Easy to install into your vehicle's sound system to enhance your current speaker system; Measurements are 11.90 inches long by 4.70 inches wide by 12 inches high with a weight of 7 pounds
- Use this adapter to make your installation of a subwoofer bass amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides RCA output and a power wire for the remote amplifier turn on connection.
- Adjustable gain output. Connection is done at back of radio.
- VERY IMPORTANT----PLEASE READ BEFORE PURCHASE---- Not compatible with factory amplified stereo systems like JBL, Bose, etc. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.).
- No Factory external amp - Compatible Vehicles: Made for Toyota: Made for 2017-2020 Toyota 86, 1988 - 2017 4-Runner, 1987 - 2017 Camry, 1986 - 2006 Celica, 1987 - 2019 Corolla, 1987 - 1992 Cressida, 2007 - 2014 FJ Cruiser, 2001 - 2016 Highlander, 2005 - 2010 Matrix, 1987 - 1995 MR2, 2000 - 2006 MR2 Spyder, 2001 - 2018 Prius, 1996 - 2016 RAV4, 2001 - 2016 Sequoia, 1998 - 2016 Sienna, 1995-2019 Tacoma, 2000 - 2019 Tundra, 1987 - 1990 Van, 2009 - 2015 Venza, 2007-2018 Yaris
How to choose a good vehicle subwoofer systems
Does the idea of finding a fantastic vehicle subwoofer systems make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in vehicle subwoofer systems. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top vehicle subwoofer systems products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top vehicle subwoofer systems on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top vehicle subwoofer systems brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top vehicle subwoofer systems based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the vehicle subwoofer systems were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good vehicle subwoofer systems, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your vehicle subwoofer systems.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting vehicle subwoofer systems for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our vehicle subwoofer systems. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what vehicle subwoofer systems should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on vehicle subwoofer systems.
