Best Marine Subwoofers Reviews

When summer is in full swing what better way to beat the heat than on a boat gliding through the ocean with good friends and good music?

Boating allows you to find relief from the stress of life’s daily hassles and when you add your favorite songs to that experience, it takes the relaxation element of boating to a whole new level.

Great Music is the ideal complement to the sound of the wind and the waves whilst sailing. It’ll add to the escape factor you feel when you’re out on the water with friends or family. But as you’ve probably noticed, that music only sounds as good as the system it’s playing through.

That said, if you want to feel that intense, spine-tingling impact of bass hitting your chest while out sailing, then you need to consider a powerful marine subwoofer (or two … or more!) to complement the speakers on your boat and give your music a sense of depth and immersive feeling.

So, what are the best marine subwoofers of 2018? Let’s find out…

Best Marine Subwoofer Reviews

#1- Alpine SWR-M100 Marine Subwoofer Review

  • Molded polypropylene woofer with Santoprene™ rubber surround
  • Marine-grade Nomex® spider
  • High-strength polypropylene frame and waterproof rubber mounting gasket
  • Suitable for free-air use
  • High excursion for deep high output bass
  • Thermal management system
  • Integrated insert and spade terminals
  • Waterproof rubber mounting gasket included
  • Progessive NOMEX spider
  • 4-Layer single 4 ohm copper wire on TIL former voice coil

Size 10"
Frequency range 35-1000 Hz
Power Handling 
  • RMS :    300 watts
  • Peak :    900 Watts
Sensitivity 86 dB
Top-mounting Depth N/A
Impedance 4 ohms


Alpine SWR-M100 10 inch marine subwoofer reviewAlpine is one of the world’s leading manufacturers of audio, navigational, and electronic automobile products. They’ve been in business for quite a long time and they’ve mastered the art of providing top-notch products for reasonable prices. They offer everything from headunits and amplifiers, to speakers and subwoofers.

The SWR-M100 is one of the best marine subwoofer that Alpine has to offer. This 10 inch marine subwoofer is designed to deliver impressive pounding bass that you can hear and feel. It’s featured with a molded polypropylene cone bonded to Santoprene™ rubber surround which in conjunction with a high-strength polypropylene frame and waterproof rubber mounting gasket allow for consitent bass performance over time. Its airflow management system and CRC motor on the other hand keep the sub running cool, even under heavy load.

The SWR-M100 is a marine certified subwoofer designed to withstand the challenges of the marine environment. It’s certified by the ASTM for fog, salt and UV resistance, which means you can trust it to handle harsh outdoor conditions while producing solid, crisp and clean bass that will even drown wind noise at high speeds.

This marine sub is designed to work equally well in virtually any type of enclosure, be it a sealed or vented enclosure. It’s also suitable for free-air use. It can hit as low as a claimed 36Hz and as far up as 1.5KHz. And as far as power handling is concerned, this marine sub can handle up to 300 watts of power on continuous basis.

#2- Clarion CMG2512W Marine Subwoofer Review

  • Mica-injection polypropylene cone with Santoprene rubber surround
  • High-impact Centrex grill and frame
  • Meets ASTM B117 (salt/fog exposure)
  • Meets ASTM D4329 (UV exposure)
  • Liquid drainage system
  • Rubber mounting gasket
  • Gold plated speaker terminals
  • Magnetic shielding integrated into basket
  • Ferric oxide magnet
  • Stainless steel mounting hardware included
  • Suitable for sealed or ported enclosures or infinite baffle (free air) applications

Size 10"
Frequency range 36 - 1,500 Hz
Power Handling 
  • RMS :    150 watts
  • Peak :    350 Watts
Sensitivity 85 dB
Top-mounting Depth 4-3/16"
Impedance 4 ohms


Clarion CMG2512W marine subwoofer reviewClarion is another top-rated, authoritative producers of in-car entertainment systems. They’ve been around for decades and have earned an outstanding reputation for building quality audio components.

If you’re on a strict-budget and looking for a reasonbaly priced subwoofer for your boat, Clarion CMG2512W 10″ marine subwoofer is a great option to consider. It’s designed to round out your boat audio system without going over the top.

Clarion CMG2512W was carefully designed and tested rigorously to ensure that it’s ready to rock, even the extremes of a marine environment. This sub is featured with a rugged, waterproof polypropylene cone supported with Santoprene rubber surround that can stands up to humidity and punishing UV rays.

This marine sub features a liquid drainage system that’s meant to prevent the water from building up and causing corrosion. Additionally, its high-impact plastic shell protects the basket and magnet, while the white plastic grille looks will blend well with most boats out there.

Clarion CMG2512W subwoofer boasts a sensitivity rating of 90 dB and can handle up to 150 watts RMS. It can hit as low as a claimed 60Hz and as far up as 20kHz. This subwoofer can be used in both sealed or ported enclosures. It can also be used in infinite baffle (free air) applications.

Undoubtedly, this 10″ marine subwoofer isn’t going to turn your boat into a rolling thunderstorm of bass, however, it’ll add nice depth and warmth to your music.

The biggest flaw to the Clarion CMG2512W is its narrow frequency range. While most marine subs can reach as low as 20-something Hz, this subwoofer can only hit 60Hz.

#3- JL Audio MX10IB3-CG-WH Marine Sub Review

  • Synthetic rubber surround specifically formulated with UV inhibitors
  • Marine grade progressive roll synthetic fiber spider
  • Gold-Plated marine-grade brass connection terminals
  • Specifically engineered Centrex polymer baskets are corrosion & UV-resistant
  • Marine-grade synthetic fiber spider
  • Works in sealed boxes and free air applications
  • Long linear excursion for enhanced output and reduced distortion
  • Vented motor design with marine-grade, stainless steel rear diffuser plate

Size 10"
Frequency range 36 - 1,500 Hz
Power Handling 
  • RMS :    175 watts
  • Peak :    350 Watts
Sensitivity 87.23 dB
Top-mounting Depth 5-1/8"
Impedance 4 ohms


JL Audio MX10IB3-CG-WH marine subwoofer JL Audio acquired a solid a reputation among audiophiles, and for good reason. They offer quality subwoofers that can produce accurate bass at every level.

The JL Audio MX10IB3-CG-WH is what you can get if you’re willing to shell out some serious dough. It’s one of the best 10 inch marine subwoofer that you can buy.

The subwoofer at hand is built from the ground up for the marine environment. It sports a corrosion-resistant Centrex® polymer basket that surrounds the sub’s internal structure for extra protection.

Additionally, It’s featured with a marine-grade synthetic fiber spider and injection-molded mica-filled polypropylene woofer which is supported with synthetic rubber surround for optimal performance.

This versatile subwoofer is designed to be mounted in sealed enclosures, but it can also be used in free-air applications, so you can mount it directly into a bulkhead if there’s no space for an enclosure.

The JL Audio MX10IB3-CG-WH boasts a sensitivity rating of 87dB and can handle up to 175 watts of power on continuous basis. Its motor structure allows for extended cone movement, which means that you’ll hear bass that’s loud and deep, yet accurate and smooth.

The low-end bass on this 10 inch marine sub is crisp and round. Unless you mount it on a ported enclosure to get that big and punchy bass sound, you won’t hear any distortion.

#4- Bazooka MBTA10250D Marine Subwoofer Review

  • Marine Certified 10" Power Amplified Bass Tube
  • Patented Bass Tubes enclosure design
  • Water resistant enclosure
  • Weather resistant Velcro reinforced mounting straps
  • Salt, fog, and UV certified for 5 years
  • Bazooka's Patented Tube Enclosure
  • White paint finish
  • Nickel-Plated thumb screw terminals

Size 10"
Frequency range 35 - 250 Hz
Power Handling 
  • RMS :    175 watts
  • Peak :    350 Watts
Sensitivity 104 dB
Top-mounting Depth N/A
Impedance 4 ohms


Bazooka MBTA10250D marine powered subwooferIf you’re looking for an easy “off-the-shelf” marine bass system, Bazooka MBTA10250D is a great option to consider. It’s one of the best marine powered subwoofers out there.

This marine certified 10″ power amplified bass tube will save from the hassle of matching up a subwoofer with a compatible amp and enclosure.

The Bazooka MBTA10250D is fitted with 10″ waterproof woofer powered by a class D amplifier with a power output of 200 watts at 4 ohm and 275 watts at 2ohm. This sub features a high sensitivity rating of 104 dB and can handle up to 275 watts of power RMS. It can hit as low as 35Hz and as far up as 250 Hz.

This bass system is designed to withstand harsh outdoor conditions. Both the enclosure and the subwoofer are waterproof, therefore, the sub can be mounted nearly anywhere on the boat. Additionally, this system is featured with plated speaker terminals, stainless steel hardware, UV resistant ported enclosure, and weather resistant Velcro reinforced mounting straps for holding the system securely in place even in rough waters.

This bass enclosure is designed to round your boat audio system. It’ll add great depth and richness to your music but do not expect huge booming bass.

If I had to pick some criticisms for the Bazooka MBTA10250D, It would be just the price. This marine subwoofer system has a fairly steep price tag. However, considering the fact that it’s a very well made, all-inclusive bass system, I’d say that it’s a great bang for the buck.

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