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Kenwood Marine Bass Package

Includes KFC-W250MRW 10" marine subwoofer and KAC-210MR amplifier (Gray KFC-W253MRS subwoofer)

23 Reviews | 5 questions - 7 answers

Item # 113PW253MS

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Our take on the Kenwood Marine Bass Package

This Kenwood P-WD250MRW marine bass package includes a water-resistant 10" subwoofer and a compact power amplifier. It's a combo that's sure to shape up the bass in your boat.

Bring better bass to your boat

This Kenwood P-WD250MRW marine bass package includes a water-resistant 10" subwoofer and a compact power amplifier. It's a combo that's sure to shape up the bass in your boat.

Kenwood's KFC-W250MRW 10" marine subwoofer combines a strong, waterproof polypropylene cone with a rubber surround that'll hold up to humidity and UV exposure. A tough white plastic shell protects the basket and magnet against corrosion, and the sub's integrated white plastic grille matches the interior of many boats. The sub's dual-voice coil design ensures you'll get maximum power out of the amp.

Kenwood designed this marine subwoofer for free-air use, so it'll produce great bass when mounted into a panel or bulkhead — no box required. Stainless steel mounting hardware is included.

The KAC-210MR marine amplifier packs plenty of power into a small package, thanks to Kenwood's engineering expertise. Special coated circuit boards ensure the amp will keep the power flowing even after prolonged exposure to dampness. The amp's output is tailored to work perfectly with the subwoofer.

Installed on a Aquasport 222. Running a fusion reciever with 4 kenwood speakers that needed a boost. Sounds great!

Phil, Bradenton, FL

What's in the Box:

  • 10" KFC-W253MRS Dual 1.5 ohm voice coil marine woofer
  • Six 1-1/8" Self-tapping screws
  • 6 Speed clips
  • Woofer manual (English/ French/ Spanish)
  • Woofer template
  • KAC-210MR amplifier
  • 2 Mounting brackets
  • 15" Power harness
  • 15" Speaker output harness
  • Four M4x8mm Machine screws
  • Four 5/8" Self-tapping screws
  • Amplifier manual (English/ French/ Spanish)
  • Amplifier warranty information

Product Highlights:

  • package includes KFC-W253MRS marine subwoofer and KAC-210MR amplifier
KAC-210MR mono amplifier
  • 200 watts maximum power output
  • 80 Hz low-pass filter (12 dB/octave)
  • 15" power harness and 15" speaker wiring harness included (harnesses use special plugs — if extra wire length is needed, it must be spliced to the harnesses)
  • preamp-level inputs
  • 7-11/16"W x 1-3/16"H x 6-1/8"D
  • warranty: 1 year
KFC-W253MRS 10" marine subwoofer
  • dual 1.5-ohm voice coils
  • pearl mica polypropylene woofer with rubber surround
  • power handling: 50-200 watts RMS
  • sensitivity: 91 dB
  • top-mount depth: 5-3/8"
  • designed for free-air use
  • warranty: 1 year
  • Our 60-day money-back guarantee

Kenwood Marine Bass Package Reviews

Average Customer Review(s):

(23 Reviews)
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Product Research

Inputs and Outputs


Overview: This package includes a dual voice coil subwoofer and a matched amplifier with a maximum output of 200 watts.

UV and Water Resistant: The subwoofer features a UV-resistant silver grille, waterproof polypropylene cone, rubber surround, and stainless steel mounting hardware. The tinsel leads are coated and the speaker terminals are gold-plated to guard against corrosion. The amplifier has a special coated circuit board to protect it against the marine environment.

Free-Air Subwoofer Design: The woofer is designed for mounting in an infinite baffle (free-air) application, so no enclosure is necessary.

Inputs and Outputs


  • Power: 10-pin jack for use with the supplied harness; the harness has two power leads, each with an in-line 5 amp fuse
  • Subwoofer Output: 4-pin jack for use with the supplied harness
  • Line In: left and right RCA audio jacks


  • Input Terminals: the speaker has quick-slide terminals and requires quick-slide connectors (not included) to attach the wire; the positive terminals are 0.25" wide and the negative terminals are 0.187" wide



  • Maximum Output: 200 watts
  • Signal-to-Noise Ratio: 85 dB
  • Low-pass Filter Frequency: 80 Hz
  • Output Impedance: 1.5Ω + 1.5Ω
  • Dimensions:
    • Width: 7.7" (9.1" including mounting bracket)
    • Height: 1.25" (1.48" including mounting bracket)
    • Depth: 6.125" (7.35" including wiring)


  • Maximum Power: 200 watts
  • Impedance: 1.5Ω + 1.5Ω

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Great reviews [ RANDY D  May 22, 2016 ]

5 questions already asked

If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer, or try our online support center: [ Krissy  May 12, 2017 ]  Staff
It is a free-air sub so you don't need hardly any space just make sure the magnet is not touching the boat in the back and you will be fine. [ Mark  May 05, 2016 ]
I will say not much. I have mine installed in the bottom of my port side bench. Its also a storage compartment crammed with stuff so not much breathing room back there . It sounds really good. Im pleased. Its installed on a searay 240 sundeck. [ Michael  May 05, 2016 ]
I Have about 12 inches and it sounds good. [ CHRIS  May 04, 2016 ]
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss the best option for wiring. They will be able to pull up your gear and see how this will best integrate. [ Jeff  Apr 21, 2014 ]  Staff