Top 10 Best Marine Subwoofers for the Money Reviews and Buying Guide [2021]

Are you searching for the best marine subwoofers for the money


Our team has worked hard for you. A first-class marine subwoofer for the boat as we would see it is a need and actually the lone way you will acquire deep bass as you desire. Although, the subwoofers do not simply add more bass they will make the better sound of your speakers as well. The quality sound from speakers is got through relieving of the bass duty. 

Rather than pumping out the lows, mids, and highs at the same time, the subwoofer can ensure deep lows when other speakers generate mid-range, clearer high, and crisper sound. This will assist you to get additional volume out of speakers and clearly added bass. 

In this article, our team has described 10 best marine subwoofers for the money with their key features, pros and cons so that you will be able to find the best one for your boat.

In case you are actually want to make your fantasy marine sound system, then you can read our further related articles mentioned at the end of the article. 

Below-Mentioned Are Top 10 Best Marine Subwoofers for the Money

10. Kicker 43KMW102 10 2-Ohm Marine Subwoofer

The Kicker 43KMW102 is such subwoofer that permits impedance less than 4-ohms. The impedance is an amount of resistance. Thus, lower impedance, the more efficient and more powerful this marine subwoofer will be.  

This subwoofer has 10-inches size, and it supports 300-Watts of peak power and 150-Watts of RMS. The peak power is precisely dual than its RMS value. Moreover, the proportional variation of the power succeeds in delivering the sound very balanced as well as complete feeling. 

The clear sound output is additionally improved by the way that speakers have sealed enclosures. Its column has a higher volume of 2.4-cubic ft. and the vented enclosure has a higher volume of the 1.75-cubic ft. This can be installed on every place which has a diameter of 23.3 cm, and a depth of 12.7 cm. Thus, because of such flexible installing standards, its installation procedure is very convenient and simple.

Key Features

  • 10 inches marine subwoofer
  • Impedance of 2-ohms
  • Injection-moulded polypropylene cone and Santoprene rubber surround
  • RMS power of 30-150-Watts
  • Peak power of 300-Watts
  • Frequency response is 30-500 Hz
  • Sensitivity is 86.5 dB
Pros (Why Should Buy):
  • Easy mounting diameter and depth
  • Fully secured against soil, sand and water
  • Built with the quality material
  • Good value of money
Cons (Why Should Avoid):
  • None


09. JL Audio M12IB6-SG-WH Subwoofer

The JL Audio M121B6-SG-WH is a low-frequency subwoofer that reproduces as well as emphasizes deep bass notes which are generally lacking in the primary speaker setup. The JL Audio designed this subwoofer as a reference standard for the marine subwoofer presentation. 

It allows your main speakers and amplifier for working with the less distortion while keeping up full-range of the sound spectrum. Including this woofer to your sound setup produces amazing measures of the jaw-dropping bass although if you desire for listening to the music at the lower volume. 

It permits you to still hearing every instrument, note or the voice clearly. It made for withstanding the marine conditions and deliver a long time of the dynamic sound performance, it is developed for operating with no dedicated enclosure. It has a massive 4-inch voice coil and strong suspension setup produce remarkable direct excursion for power handling and high output. 

Key Features

  • 12-inch marine subwoofer
  • Impedance is 4-ohms
  • RMS is 100-600-Watts 
  • Sensitivity is 86.7-dB
  • The mounting depth is 8-1/16″
Pros (Why Should Buy):
  • Sleek design
  • Highly durable
  • Comes with hardware for mounting
  • Good value of money
  • Rubber surrounds
Cons (Why Should Avoid):
  • A little expensive


08. Polk Audio db1040 Subwoofer

The Polk Audio db1040 isn’t a regular kind of subwoofer, this is marine certified. It’s mean it is made to withstand the absolute hardest conditions. Therefore, if you have a terrain vehicle or boat, you can mount this subwoofer and not really think about it.

Its cone is prepared of polypropylene, this is durable although not stiff, and this offers a little flexibility. It has ABS dust cap to make sure minimum distortion and good mechanical stability. Its surround is produced of the long-lasting Santoprene rubber. 

Because of the materials utilized to develop this subwoofer, and because of the thorough item testing, the Polk Audio ensured that you will get long-term performance. 

The db1040 isn’t meant for handling lots of power. It has a single voice coil with constant 270 Watts of power handling and 540 watts of peak power handling. It can be combined easily with different voice coil subwoofers for doing various settings of impedance which will actually suit you.    

Key features

  • 10-inch marine subwoofer
  • Impedance is 4-ohms
  • RMS Power range is 50-270 watts 
  • Peak power handling is 540-watts
  • Frequency response is 28-200Hz
  • Sensitivity is 86-dB
  • Top-mount depth is 5-7/16 inches
Pros (Why Should Buy):
  • Reasonable price
  • Better for different applications
  • Waterproof construction
  • Easy to install
  • Durable
  • Excellent responsiveness and sound
Cons (Why Should Avoid):
  • No, any drawback


07. Kenwood P-WD250MRW Marine Amplifier and Subwoofer

The Kenwood P-WD250MRW is the best marine amplifier and subwoofer packages in the market, in light of everything. This marine package is developed for shaping up the bass in the boat. This incorporates a water-safe 10-inch subwoofer and super-smaller mono channel amp.  

It is 10-inch marine subwoofer includes a waterproof, rugged polypropylene cone supported through long-lasting rubber surround which will hold up for harsh outside conditions, for example, UV exposure, humidity, and moisture. 

This subwoofer also has a hard white plastic shell that secures the magnets and basket against corrosion. It is developed for free-air applications. It’s mean you do not require a subwoofer box for mounting it in. This will generate great sound and deliver a great amount of the bass as mounted into a bulkhead or panel.

This 10-inch marine subwoofer is able to handle RMS of 100-Watts and has a 91-dB rating of sensitivity. Furthermore, its double-voice coil structure makes sure you will get a higher power of the amplifier.     

Key features

  • 10-inch marine subwoofer
  • Package includes KAC-210MR amplifier and KFC-W250MRW marine subwoofer
  • The higher power of 200-Watts
  • Comes with 15-inch speaker wiring harness and 15-inch power harness 
  • Dimension is 6-1/8” D x 1-3/16” H x 7-11/16” W 
  • Sensitivity is 91-dB
  • RMS Power handling is 50-200 watts 
  • Top-mount depth is 5-5/16 inches
Pros (Why Should Buy):
  • Water-resistant and high waterproof rating
  • Consumes less power compares to other brands
  • Quality Material
  • value of money
Cons (Why Should Avoid):
  • Does not come with connector cables and power amplifier


06. Rockville MS12LW Subwoofer

The Rockville MS12LW is a slim and compact size subwoofer that you shouldn’t miss a chance of purchasing. This subwoofer is able to install almost all over the place on your boat that you can’t imagine. Thinking about the little size of this subwoofer, its bass and sound quality is a shocker for many. 

This subwoofer provides an incredible bass sounds that you can consider. Its sound quality surpasses the expectations of numerous, making this an ideal subwoofer for the boat. For the installation of this subwoofer, some people say that this is very simple. You do not need an expert to install the super-efficient subwoofer and you are able to install this on your own behalf.    

It is specifically produced for the boats that mean this is water-safe. Once more the best quality can’t ignore. This has an easy connection to install, assisting you in avoiding the wires’ mess all around your boat. This also has customizable volumes of sound that assist you in controlling the climate. 

Key Features

  • 12-inch marine subwoofer
  • Peak power of 2800-Watts
  • RMS power of 1400-Watts
  • Frequency response is 20Hz to 4Khz
  • Sensitivity is 90-dB
  • Impedance is 4-Ohms 
  • ABS plastic basket
Pros (Why Should Buy):
  • Easy to install
  • Compact size
  • Super sound quality and amazing voice
  • Highly affordable
  • Durable, stylish design
  • Capable of highly powerful bass
Cons (Why Should Avoid):
  • Might differ in the bass sounds


05. Garmin MS-SW10 Fusion Subwoofer

The Garmin MS-SW10 fusion subwoofer values its remarkable capacity for offering the full range voice for raps as well. Its power rating improves the quality of bass and enhances the bass level. Due to taking smaller storage place and promising hardiness, it is the king of all.    

This subwoofer is ASTM certified it’s mean it is prepared for the marine life. Resultantly this is safe and resistant to the humid nature and salty of the marine life. In this manner, you will be able to enjoy the high performance for a long period.  

It is a subwoofer which will live for a very long time with no compromising on the performance. Its RMS rating is very high. Accordingly, after living for quite a long time, it won’t turn down the quality of volume and keep up an incredible performance.  

Its making materials are astoundingly strong for facing harsh conditions. Surely, the materials are protected from UV and extreme salty levels that reduce the rusting possibilities.   

Key Features

  • 10-inch marine subwoofer
  • Sealed motor and basket structure
  • ASTM-B117 fog/salt resistant
  • ASTM-D4329 UV stable
  • RMS of 130-Watts
  • Higher Peak power of 400-Watts
  • Impedance is 4-ohms
  • Frequency response is 30 Hz to 2k Hz
  • Sensitivity is 88-dB
  • The mounting depth is 4.51 inch

Pros (Why Should Buy):
  • RMS of 400-Watts which promises a full range of sound
  • Fog, salt and UV-resistant for making assure durability
  • Lesser impedance rating for the sound quality in broadened usage
Cons (Why Should Avoid):
  • The installation procedure should be easy


04. Rockville RW10CA Subwoofers

The Rockville RW10CA considers a complete sound solution to get the incredible bass without occupying a lot of space. This is under 3-inches thick making a slim subwoofer. The amplifier is also fitted in making super easy installation and wiring.

This subwoofer has RMS of 200-Watts and Peak power of 800-Watts. If you are searching for an easy solution for placing incredible sounding bass without taking lots of space then it is best selected for you. It has amazing controls which empower you to change the sound as per your wish.    

It has a subsonic filter for removing frequencies which are low and cannot be heard through human ear, the level control for bass boost, volume adjustment, crossover filter, and volume adjustment. This subwoofer has higher 200-Watts of RMS power, while the 2-ohms of impedance. The range of frequency response of this subwoofer is 20Hz to 150Hz. It is developed with quality material.    

Key features 

  • RMS is 200-Watts
  • Peak power is 800-Watts
  • Dimensions are 12.4 × 13.4 × 2.7 inches
  • Sensitivity is 90-dB
  • Frequency response is 20-Hz to 150-Hz
  • Impedance is 4-Ohms
Pros (Why Should Buy):
  • Excellent Sound
  • Easy to Install
  • Well-built
  • Compact size
  • Affordable
Cons (Why Should Avoid):
  • Muddy Bass


03. MTX Audio RT8PT Subwoofer

If you have a little vehicle and want to hear great bass from the powerful subwoofer, then the MTX RT8PT will be your best selection. It is really an incredible speaker which can meet and surpass your every expectation. This subwoofer is the best solution to get that bass thump you’re searching for the little trunk or a little space.

It also comes with the amplifier fitted in the rear of the subwoofer. At the cost, you can’t beat the item. This genuinely is the best solution to your all sound issues, though it won’t ever be just about as great as having a devoted amplifier and 2 giant subs in the trunk. Anyway, I think you must check it once.  

Its size is 22.6-inch × 11.2-inch× 11-inch and 19.4 pounds weighs. It isn’t to refer to the way that you gain its 5-year warranty. It is the best purchase that you won’t discover elsewhere.  

Key Features

  • 8 inch amplified subwoofer
  • RMS power of 120-Watts
  • Peak power of 360-Watts
  • Speaker-level inputs and preamplifier 
  • Frequency response is 35 to 250 Hz
  • Size is 10” W × 10” H × 21-1/4” D1 × 15-1/8” D2
  • Mounting equipment included
Pros (Why Should Buy):
  • Affordable
  • Easy to install
  • Comes with remote controls
  • Compact design
Cons (Why Should Avoid):
  • None


02. Bazooka MBTA10250D Marine Subwoofer

The Bazooka MBTA10250D is a marine certified subwoofer and its bass makes up about thirty percent of the music and this provides music with its impact and power. The best sub can make a normal vehicle sound setup sound great, and a decent car sound system sound extraordinary. 

The great bass is about moving the air, and cylindrical tube interprets the movement of woofer into higher air pressure therefore you feel and hear extra bass. The Bazooka developed its Bass Tubes enclosure for acting as firing low frequencies, bass cannon throughout the vehicle.    

Its 10-inch amp Bass tubes enclosure permits you to include ride-filling bass to the sound setup, whether driving a leased car or own vehicle. The 10-inch subwoofer combines with fitted 200-Watts Class D amplifier for delivering strong bass without occupying more space. 

Its variable low-pass filter permits you for listing to bass output for matching up with the sound system of your vehicle. You will also be able to get the installation kit which includes a signal/power harness, 20-amplifier fuse with straps, holder, and mounting equipment.      

Key Features

  • 10-inch subwoofer
  • Built-in D-Class Amplifier 
  • RMS of 200-Watts
  • Peak power is 250-Watts
  • Impedance is 4-ohms
  • Frequency response is 30 to 250 Hz
  • Sensitivity is 100-dB
  • Wire harness, hardware and mounting traps included
  • Dimensions are 10-13/16″W × 12-11/16″H × 22-3/8″ D
Pros (Why Should Buy):
  • Easy to mount
  • Great sound
  • Powerful
  • Great quality of bass
Cons (Why Should Avoid):
  • None


01. Fusion MS-SW10 Marine Subwoofer

The Fusion MS-SW10 is a marine-grade subwoofer that is developed for those people who love music and boating. This is a 10-inch powerful subwoofer that has undergone thorough testing ensure this is ready for rocking in every extremist marine climate. 

This 10” subwoofer has a water-safe design which confirms ASTM principles for fog/salt safe and UV-stability. It’s mean it can deliver the best sound performance even while presented to the components for an extended period. Its process of installation is very easy, although there is no manual for directing you through the whole procedure.

In any case, there is a measuring pattern for helping you mark & cut the opening of your speaker accurately. Prior to securely mount this with some back room and outside at the front, its sound is terrible. Though, this hits hard as well as delivers a pleasant deep tone while safely mounted, praising a medium-sized setup to perfection.   

Key Features

  • 10-inch marine subwoofer
  • RMS power of 130-Watts
  • Peak power of 400-Watts
  • The frequency range is 30 Hz to 2 kHz
  • Sensitivity is 88-dB
  • Impedance is 4-ohms
Pros (Why Should Buy):
  • Easy to install
  • Water-resistant design
  • Durable construction
  • Reasonable price
  • Extraordinary sound with strong bass
Cons (Why Should Avoid):
  • No manual installation


Buying Guide about the Best Marine Subwoofer for the Money

Whenever you want to buy the best marine Subwoofer for the money then you must focus on the below-mentioned features so that you will be able to the best subwoofer for your boat.

Peak Power Rating

It measures in the watts and its number represents higher power output which subwoofers are able to achieve. It is a number that you will generally see publicized when searching at various subwoofer models. 

But, the issue that subwoofers are able to maintain the output just for little periods, with the possible risk of getting harmed in the procedure. Due to this RMS rating will be more relevant while considering what the speakers can do really.   

RMS Rating

The RMS number represents genuine power level which you’re able to listen to for an extended period without damaging or overburdening the subwoofer. The RMS stands for the Root Mean Square as well as calculates the ideal power which subwoofers are able to handle.    

As higher output power is significant, you should not make it just factor when selecting a subwoofer. This isn’t about how noisy this can obtain, but about the bass quality. Hence, ensure for also focusing on different angles such as material quality and impedance.   


Although, it is less important than the RMS output, the impedance affects the general performance. This addresses electrical resistance that is calculated in the ohms. 

In the basic terms, its number shows the power’s amount that speakers are able to receive safely from the amplifier. The majority of amplifiers have 2 to 8 ohms. As a rule, the amplifiers with 2-ohms of impedance will be powerful than 8-ohms of amplifiers.     

Easy to install

Before buying the subwoofers, this is best to plan where you want to install and how you will install it. Obviously, this is ideal if this will be able to install with the current fittings and fixtures, but it isn’t generally the situation. Hence, we advise you for doing a few careful estimating so you do not regret this later.  

Marine-Grade Quality Material

Since the subwoofers will be utilized on the boat, the marine subwoofers will be presented to different outside conditions. The meaning of Marine-grade quality material is that the subwoofer will be enough durable to withstand the circumstances. The perfect marine subwoofers will be shock-resistant, waterproof and are able to withstand the extended sun exposure.  

For better subwoofers, its casing must be manufactured of the polypropylene of ABS plastic and synthetic rubber gaskets on their opening for preventing every leak inside. Furthermore, hardware ought to be manufactured of the stainless steel therefore this does not corrode from saltwater.


Though it may seem obvious at the starting, the subwoofers’ size regularly gets overlooked when purchasing. There’re lots of various sizes for picking from, although the most well-known subwoofers are 12”, 10”, or 8”. This size normally means the measurement of the cone inside. Bigger once have louder and deeper frequency response when littler subwoofers produce richer, tighter sounding bass.     


FAQs about the Best Marine Subwoofer for the Money

Which is superior 4-Ohm or 2-Ohm Subwoofer? 

It relies upon what kind of sound you desire to listen to. Generally, the 4-ohm subwoofer generates a better quality of sound, while the 2-ohm subwoofer will generally be louder. The ohm will be the resistance of subwoofer if the resistance to the sound signal coming from the amp. 

2-ohm provides almost no resistance so lots of the power gets through resultant in the loud sound. In contrast, the 4-ohms are harder to bypass, generating sound weaker but more concentrated.  

Which type of subwoofer will be best for the bass?

It is hard to say, as this relies upon various elements. But, you must consistently search for a subwoofer that utilizes great parts for delivering the sound. As RMS output will be more significant than publicized higher output, and subwoofers should deliver well with the least frequency sounds.

How to improve the sound of my subwoofer?    

You should carefully select a place that can expand its bass output, and appropriately install your subwoofer. A few subwoofers need a box for installation as others do not that also has to affect the quality of bass. Additionally, the best amplifier provides the perfect amount of power for getting the most from your subwoofer.   

Why do we require best marine subwoofers for the money?

If you want to have the most superb time on your ship with the quality sound then subwoofer will be a necessity for you. The marine subwoofers can provide you with the most ideal result regarding loud and perfect thumping bass and sound.

Which types of subwoofers have the loudest sound?  

Generally, the subwoofers’ loudness relies upon the power this uses, impedance and size – the louder sound, the larger cone size. For producing more sound, the subwoofer uses additional power although less impedance. 

Does cone material have any effect?

Just like a subwoofer, speakers are made using Polypropylene cones. Plus, some subwoofer cones are produced using composites or treated paper that will be not so durable. But due to the lightweight, it has quick respond than different materials. 

What if your subwoofers get wet?

There will consistently a chance of the subwoofers getting wet, the same as the speaker in the boat. That is the reason we suggest marine-grade subwoofers all through the boat for protecting them from harms. 


We have described what are the best marine speakers on your doorstep just in a click. You will enjoy the price value and get a double advantage of your investment. Our explanation about what are the best marine speakers is not just a product but proved a luxury in your life.

If you want to buy according to the suggestion of our team then you should buy the Wet Sounds SW-650 6.5″ Marine Coaxial Speaker which is explained on No. 10 and if you do not have much the budget then you should buy Polk Audio MM651UM Marine Speakers which is explained on No. 09.

Finally, you should research from our highly rated list and make a shortlist of what are the best marine speakers model before taking the final decision we will welcome your feedback.

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