Kenwood P-WD250MRW Waterproof Subwoofer – Mariner’s Choice

Subwoofers play an integral role in any speaker system. They process the lowest frequencies of the incoming audio and make them more well-defined and impactful. Subs greatly enhance your speakers’ sound performance by delivering deep invigorating bass.

Marine subwoofers are a special category of subwoofers. They are built specially for marine vessels like boats, yachts, jet skies and pontoon boats. They are waterproof, weatherproof and dustproof gadgets, designed to survive the elements for a longer play life.

If you own a fishing vessel or a yacht, and already have a sound system on board, or plan to have one in the future, you might want to consider adding a subwoofer to it. A subwoofer will make your sound tracks boom with hard-hitting bass. It will highlight the lower frequencies and enhance the overall quality of your music.

Kenwood P-WD250MRW Marine Subwoofer :

Leading the competition among waterproof subwoofers is the Kenwood P-WD250MRW. It is a formidable 200W marine grade sub accompanied by a KAC 210 MR mono amp. Let us take a closer look at the sound performance and design profile of the gadget.

Sound Quality :

The Kenwood P-WD250MRW is a waterproof subwoofer with a max power output of 200W. It is powered by a separate mono amplifier included in the package. Single channel speakers like subwoofers are mostly powered by mono amps which are single channel amplifiers. The amp delivers power to the sub by providing it with a single power signal which matches the sub’s low frequency design. The result is rich reverberating bass with a lot of power and impact. The P-WD250MRW subwoofer is equipped with dual 1.5 ohm voice coils. It has a frequency response of 28Hz to 800kHz and a fixed low pass filter of 80Hz , 25dB/octave. These features give an extra fillip to the lower frequency bands so they stand out and make the soundtrack more robust. If you love the solid feel of bass shaking the floor underneath your feet, you will love the Kenwood P-WD250MRW. It has a power handling range of 50-200W RMS. It is an awesome sub that produces thumping bass. It increases the force of the bass output, rocking your boat both literally and figuratively. So, when it’s time to party and turn up the bass, the Kenwood P-WD250MRW is the best candidate for the job.

Product Design :

The Kenwood P-WD250MRW is a marine subwoofer. It comes in a mono amp combo with the KAC 210 MR amplifier. The sub-amp pair is designed for outdoor use and is ideal for marine vessels like boats, jet skies and yachts. The sub is weather-resistant and has a sturdy waterproof cage. The amp is a marine grade Class D Monoblock Car Amplifier with a max power output of 200W. It features conformal coated PCB protection for added safety in open air marine conditions. The Kenwood P-WD250MRW is not affected by the occasional shower or splashes of sea water. It is designed for prolonged use in the open seas under direct sunlight. The KAC 210 MR amplifier has RCA level and speaker level inputs. It has a low pass filter of 80Hz , 25dB/octave and subsonic filter of 24 dB @ 15 Hz. The subwoofer is equipped with a 10-inch pearl mica polypropylene woofer with rubber surrounds. Polypropylene is a high density plastic used in making stereo sound components. It is an extremely stable and consistent material. It does not absorb moisture but helps minimize distortions. Cones made from polypropylene produce noticeably damped sound. The rubber surrounds protect the cone and prevents it from getting dislocated as it flexes in the basket. Polypropylene combined with rubber surrounds is one of the most widely used woofer cone designs. It is acoustically stable and lasts longer too. The Kenwood P-WD250MRW waterproof subwoofer has a free air installation. This makes it more space-efficient. The absence of a permanent woofer enclosure makes for flexible mounting options. You can install the subwoofer wherever you want depending on the layout and design of your boat. The Kenwood P-WD250MRW subwoofer has vented dual voice coils. It has a strong plastic frame that houses the inner driver. The front section of the sub is covered by a protective grille. The device is white in color which matches the interiors of most boats and marine vessels. It has a low profile circular design with a mounting depth of 3 1/32 inches. Once installed, the subwoofer remains close to the mounting surface. The amplifier is a small flat device. Apart from the sub and the amp, the package includes a 15-inch speaker wiring harness, a 15-inch power harness and a user manual. Dimensions of the product are: 15.6” x 12.4” x 8.4”. It weighs 4.41 lbs.

Key features :

  • Combo pack of waterproof subwoofer and mono amp for marine use.
  • 200W max power output subwoofer.
  • 200W max power output Class D Monoblock amplifier.
  • 10-inch pearl mica polypropylene cone woofer with rubber surrounds.
  • Amplifier has RCA level + speaker level inputs.
  • Dual 1.5 ohm voice coils, fixed low pass filter of 80Hz , 25dB/octave.
  • Free air installation.


To hit the trails and marine environment you may consider our top list of ATV audio tubes. Please find our super cool list of weather proof and dust resistant soundbars if budget is not a constraint for you.


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