Best 6×9 Marine Speakers Reviews in 2022 [Latest Buyer’s Guide]

Spending time enjoying a cruise on the water is a pleasant experience. But you know what is more satisfying? Enjoy some background music while savoring the beauty and splashes of water.

It would help if you had a marine (waterproof) speaker because the old speaker won’t cut it. Of course, with the nature of the environment, it is only advisable that you use only marine speakers that are explicitly designed to fit water and the weather elements of that environment.

That is where the dilemma comes in!

You know you should not use speakers meant for cars on water but boat speakers instead. You don’t know how to select the best 6×9 marine speakers to give you a high-quality sound in durability and affordability.

At a Glance:

These marine speakers come in varying sizes and types, making it more challenging to get the perfect one. An error as simple as buying the wrong 6×9 marine speaker would earn you a disappointment in your expectations. 

We have decided to share all you need to know about the right 6×9 marine speakers, including their pros and cons, to ease your selection process.

Above all, we hope that these marine speaker’s reviews and the subtle recommendations that follow will lead you towards selecting the best marine speakers among the stock speakers for your use when you are enjoying the beautiful scenery on the water.

What are the best 6×9 marine speakers?

One thing to bear in mind when you are searching for the best 6×9 for marine speakers is the brand and speaker sound. Since they are outdoor speakers and will be used outdoors during their lifespan, the only way to ensure they are reliable and used in all weather conditions is to ensure you get a sound system of the best marine speaker brands.

Another thing you need to consider before you buy new boat speakers because you have enough watts to power the speaker if you would pair it with an amplifier.

You do not want to be stuck with speakers that need more RMS than is available in the desperation to get a high-quality marine speaker.

The mounting hardware of these sound equipment should also not be ignored when checking out high-quality speakers.

We have compiled a list of some of the best marine speakers you can select from to simplify this process. You only need to choose the ones within your budget and make your purchase.

List of Top 6×9 Marine Speakers for Motorcycle in 2022

DesignCar SpeakerRetailer
Best PickPyle 6×9 Inch Dual Marine Speakers
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Budget PickPolk Audio DB691 6-by-9-Inch 3-Way Speakers
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BOSS Audio Systems MR692W 350 W per pair, 6 x 9-inch
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Staff PickJBL MS9520 300W Max Power 6″ x 9″
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Pyle 6×9 Inch Dual Marine Speakers

Best Pick
6x9 Inch Dual Marine Speakers - 2 Way Waterproof and Weather Resistant Outdoor Audio Stereo Sound System with 260 Watt Power, Poly Carbon Cone and Cloth Surround - 1 Pair - PLMR692

This marine speaker is an outdoor speaker made with waterproof materials that make it resistant to water splashes compared to other speakers. If you are looking for something that will last longer and be used for several vehicles that can withstand heavy water splashes, you should choose this speaker.

People love these dual marine speakers because they are designed from high-quality water-resistant material, thus making them the best choice for a boat or other outdoor settings.


  • It is easy to install. It doesn’t require a lot of technical know-how to install.
  • It is weatherproof.
  • It is cost-efficient and also an affordable speaker when compared to other speakers.
  • It has a low mounting depth.


  • The quality of sound is not that great. It is good enough but not recommended if you are a sucker for sound quality.
  • It isn’t durable and doesn’t last that long. But you will enjoy great value for your money while it is still new and working.

Polk Audio MM 6×9 Boat Motorcycle (Best budget marine speaker)

Staff Pick

The MM speakers have been designed and produced to present nothing less than a premium, full-on powerful audio sound no matter the vehicle you are in.

The speaker system is carefully engineered to deliver only advanced high-performance sounds. It does this by canceling every form of external distortions and unwanted frequencies through its Dynamic Balance technology.

It has an impedance of 4 ohms and a sensitivity range of 94dB. The 6×9 marine speakers consist of a waterproof inner and outer surround and several weep holes that drain the liquid off the speaker.


  • The Polk Audio speakers produce sounds with decent Bass, Mids, and Hi. The audio sounds are crystal clear, crisp, and loud. They are high-end speakers as they can be heard a hundred feet away.
  • It is one of the cheaper speakers among the marine speakers.


  • You may need to use it for a little less than an hour. It becomes hot and can risk burning after one hour of playing.

Polk Audio DB691 6-by-9-Inch 3-Way Speakers

Budget Pick

This speaker is what you need to increase your vehicle’s audio performance. Polk audio is made with a technology that allows it to produce pleasant sounds to the ears.

The high-quality speaker is made with Silk/Polymer Dome tweeter and Mica Cone woofer. You have a balance of materials that allows a smooth flow of sounds.

This speaker thrives on its versatility and its application in many areas. It has an impedance of 4 Ohms and a sensitivity range of 93 dB efficiency in the frequency range level.


  • Requires less power to produce excellent sound quality output than other marine speakers.
  • They are highly affordable speakers and cost-intensive.


  • The boat’s sound system has no bass, and the sounds are muffled due to the waterproofing chemicals used.
  • When used with Amps, it can blow quickly.

BOSS Audio Systems MR692W 350 W per pair, 6 x 9-inch

best 6x9 marine speakers

This Boss MR692W offers a full range of 2-way coaxial speaker types. It is notable for its high performance, efficiency, and clear sound. It is an account of its voice coil that enables it to withstand an elevated temperature of night and day difference and remains less prone to fatigue. It is a certified marine speaker.

Constructed with Polyurethane, the boss audio system is completely waterproof and highly durable and thus serves you for the longest possible time.

 Additionally, you do not have to worry about damage to your speakers.

The speaker has a dome-designed tweeter with a lightweight feature and perfect RMS power that facilitates the dispersion of high-frequency sound waves.


  • Completely waterproof and highly durable.
  • Treated cloth surround which allows for the tremendous support during long trips and bouncy moments on the sea
  • Extensive sound dispersion ability
  • Polypropylene cone allows for more longevity than paper cones.
  • High sound clarity with durable material among the factory speakers.


  • Poor bass quality
  • Defective mid-range coverage
  • Requires an external amplifier for peak power output for power ratings.

JBL MS9520 300W Max Power 6″ x 9″

Staff Pick
best 6x9 marine speakers reviews 2021

This speaker is equipped with a dumb tweeter and can deliver high-frequency sounds. With a peak power rating of 300W, it has an enhanced power handling ability which is best suitable for your boat. The polypropylene cones make it highly sensitive and equip the speaker with low-frequency output.

The rubber surround gives it adequate protection against weather elements and makes it resistant to damage by the sun and salty seawater.


  • Highly durable
  • The coaxial design eliminates the need to install an external tweeter
  • Crisp, clear quality sounds
  • The installation cost is not high.


  • They are expensive speakers.


From the list of the best 6×9 marine speakers above, you sure would have seen what you desire in a couple of sound-producing system sets that’ll work to your satisfaction in a sound radiating area. But just as a reminder, when deciding to purchase new speakers that will sound great, here is a list of things you should consider before paying for them.

Water Resistance:

The 6×9 for marine speakers are highly resistant to water damage, and some of these models can even be played underwater. It would be best to look out for the waterproof capability in every marine speaker you choose.


Size matters, but make sure the size you choose can fit where you hope to install it. Because there is no point buying more prominent speakers that you cannot install, except, of course, you have plans to expand the installation costs and area. The beauty of using the best 6×9 marine is that they produce sound systems in all sizes, so you do not have to worry about fitting.

Speaker Sensitivity:

Your option of 6×9 marine speakers should have a higher sensitivity rating. The higher the rating, the longer it will play at a certain wattage level. So, always go with the marine speakers with a higher rating.

Ease of Installation:

Unless you want to start drilling holes into your boats, you should go with models that are easy to install without drilling or punching any holes. Ensure enough space behind the speaker when installing to get the best bass response.


There are many marine speakers out there that you would choose because of their cost. While there are cheap, affordable ones that can give you what you need, expensive, high-end ones cost more but produce a great sound. It would be best to find out what you want and budget for it.

Sound Quality:

You will get better quality from better speakers. They are produced with advanced technology and materials that improve their signature quality sound.

Some of the materials of marine speakers help contribute to and boost sound quality. They include: 

  • Woofer materials: This includes materials such as mica, polypropylene, etc. These materials are lightweight and give a better bass sound.
  • Tweeters help make your marine speakers deliver a sweet and likable quality.

When buying marine speakers, the simple rule is to go for quality brands with the two-way speaker, the coaxial speakers. With that, you are guaranteed excellent quality of sound.

As a precaution, please do not turn up your speaker bass too high when you are using it for the first time because the speakers need some time to warm up as they have been sitting on cold shelves. After the first warm-up use, the marine speaker works in a way that will give you a precise mix of bass, highs, and mids that make your boat trip feel like a party on a Friday night.

The best speaker can give you the best sound quality throughout the various spectrum. Great speakers do not produce any form of sound distortion even when their bass is turned up. Still, on sound quality, it is also important to choose great speakers that have a sensitivity rating of above 86dB.

Installation Size

As previously mentioned, If you’re replacing your speaker, you need to ensure that you choose a speaker that will fit.

When making new installations, it is essential to fit in the most prominent speaker. This is because more prominent speakers have an excellent frequency response. This is not to say small marine speakers are not great, but if you’re looking for quality frequency response, then big is the way to go.

In conclusion, we hope you found a choice in at least one of the 6×9 marine speakers reviewed above, and we hope you allow our review to guide you as you make your next purchase.

What are the differences between car speakers and marine speakers?

Several differences separate a car speaker from a marine speaker. Let’s go over a few of the significant differences.


They are made to a stable state in withstanding the conditions they may face in a car. You can not take a speaker meant for a car and expect it to resist salt corrosion or even a harsh environment. This is why your regular speaker is not fit for marine life.

Marine speakers are made with far more durable materials than the car speaker, giving them a completely different mechanism and enabling them to defend against different climates—ranging from continued exposure to water to salt corrosion and even the sun.


This also falls under the speaker’s environment and the need for the buyer of a car speaker or marine speaker. For example, taking your car, what is the probability that your car speaker would get exposed to moisture or even salt? Probably next to none, right? This is why car speakers are built with rarely concealed or even protected wirings. There is no need for the protection or concealing of the wiring of a car speaker. 

Sound Quality:

The speaker is designed to produce the best sound quality in a small space, i.e., car interiors. Thus they cannot project sound in an ample space.

The best they can do is launch the sound not very far from your car window. Because marine speakers are primarily used in the open/bigger space, they are designed to produce better sound quality in both open and more extensive areas.


Car speakers use paper cones now, which might not mean much to the speaker’s durability. Although when the car speaker is exposed to water, it gets damaged. 

This shows you that car speaker is not always made from the most durable materials, i.e., materials that are not durable enough for wet environments.

On the other hand, Marine speakers are made from the most durable materials known as heavy-duty materials. These heavy-duty materials make marine speakers more durable.


The price of marine speakers is one of the reasons why some people try to use car speakers in place of marine speakers. Car speakers are relatively cheaper than marine speakers because they are made to withstand various harsh conditions, and they also project sound over a vast expanse area. They are also made from expensive materials and are difficult to build, making them expensive. 

On the other hand, speakers for cars are manufactured with barely anything in mind except the sound quality and a few other conditions, so they are not so expensive to make—making them cheaper concerning marine speakers.


The above comparison does not mean that speakers meant for the car are not a notable investment, but they are unsuitable for marine life.

Frequently Asked Questions

Regular speaker or marine speaker: is there a difference?

The short answer to this is Yes. This is because the speakers are designed for different reasons, so they are different.

Do I need an amplifier?

It depends on what you want to do with the speakers and how loud you want your marine speakers. Although having an amplifier will give your speakers more power and improve the quality of sounds from your speakers.
A quick way to decide is if your speaker’s wattage exceeds your marine unit head’s total watt, you need an amplifier.

What do I look for in the 6×9 marine speakers?

When shopping for speakers, go for the ones in the right size and can fit perfectly into your boat. Look out for the ones that sound great. Look out for how well they can withstand wet conditions.

Can I use a marine speaker in my car?

Yes, you can use marine speakers in your car. But you need to check a few things to ensure that it’s suitable for your vehicle.

Compatibility: Since marine speakers are best suited for life on the sea, it is essential to check if they are compatible with your car—especially the temperature of the marine speaker. Marine speakers do not work well in a crowded space, so you must ensure that your vehicle has enough room for your chosen marine speaker.

Size: You need to confirm that whichever speaker you choose can be installed in your car. There are various marine speakers of different sizes with marine certification, so make your choice.

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Anna Swiatecka
By Anna Swiatecka

“Music has heart and soul and the heart of a music system is your speaker” My name is Anna and I am the author of publications on mybestspekaers blog. I am passionate about music and audio electronics. Privately, I am a computer graphic designer, a fan of healthy food, bicycle, and travel.

My Best Speakers is reader-supported. When you buy through links on our site, we may earn an affiliate commission.

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