BOSS Audio MRWT69 550-watt 4 way Marine 6″ x 9″ Waketower

  • List Price: $171.15
  • Sale Price: $58.29
  • Amount Saved: $112.86
  • Availability: Usually ships in 3-4 business days


  • Speakers
  • Coaxial Speakers
  • Four-way wake tower speaker system with 550 Watts peak power
  • 6 x 9 inch woofer with 1.5-inch aluminum voice coil, metallic injection cone
  • Two one-inch mylar dome tweeters for clear highs
  • The item is non-returnable
  • Four-way wake-tower speaker system with 550 Watts peak power
  • 6 x 9 inch woofer with 1.5-inch aluminum voice coil, metallic injection cone
  • Two one-inch Mylar dome tweeters for clear highs
  • 40 Hz - 20 kHz frequency range; 95dB sensitivity; One-year manufacturer's warranty

Product Description

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Fully Marinized (Water Resistant With UV Protection)

This product is fully marinized but not waterproof. Since the MRWT69 lives near the water almost all the time, all of the major components such as the spider, surround, etc. have been specially coated to have the protection that they need from corrosion that is present in a humid and salty environment. The outside shell also has an ultraviolet coating to protect it from the damaging effects of the sun by maintaining material integrity and keeping them looking new.

Cone – Poly Injection

Polyurethane, categorized as a polymer, is a resilient, flexible, and durable manufactured material that can take the place of paint, cotton, rubber, metal, or wood in thousands of applications across virtually all fields. It can be hard like fiberglass, squishy like upholstery foam, protective like varnish, bouncy like rubber, or sticky like glue. In the specific case of our cones, this material allows for maximum flexibility that produces great sounding speakers lasting you a long, long time.

Surround – Butyl Rubber

Butyl Rubber is a synthetic (man made) substance and is valued for its chemical inertness, impermeability to air, and the ability to endure or resist exposure to many types of weather fronts. Butyl rubber has applications from sports equipment to automotive parts, the medical industry, and more. We use them for the surrounds that connect the cone to the basket. Did you know that most modern chewing gum uses food-grade butyl rubber as the central gum base, which contributes not only the gum's elasticity but an obstinate, sticky quality? Just like that chewing gum, the Butyl Rubber Surround in our speakers can take the equivalent amount of abuse without quitting on you.

Voice Coil – High Temperature Aluminum

One of the most abundant elements on earth, Aluminum is remarkable for its low density and for its ability to resist corrosion. It is nonmagnetic (does not have any magnetic properties) and does not easily ignite. This solid material has the ability to perform under stress in both high tension and high compression environments. Aluminum is relatively soft, making it one of the more ideal materials to use in voice coils.

Midrange & Tweeter – Mylar

For a modern edge, the best car speaker could be the high tech Mylar tweeter, as it generally has more ability for a wider variance of sound modifications and channel handling. Unlike paper cones, the Mylar has a higher rate of durability, as the cone is made of a plastic poly material, which does not rip or tear easily under abnormal frequency changes.


  • 6 x 9 inch, four-way Marine Waketower speaker system
  • Midrange: 2-1/2 inch
  • Tweeter: two 1 inch
  • Peak power: 550 Watts
  • RMS power: 275
  • Impedance: 4 Ohms
  • Frequency response: 40Hz – 20kHz
  • Sensitivity: 95 dB @ 1 W/1 Meter
  • Dimensions: 12.5” L x 11.6” W x 9.25 H
  • Is not sold in pairs

Keep the party going on your boat deck with this single Boss Audio MRWT69 6 x 9-inch four-way speaker, optimized for waketower use. With 550 watts of peak power handling, it's ready for whatever you're dishing out, not to mention whatever the marine environment's dishing out.

Boss Audio MRWT69
Keep the party going on your boat deck. Click here for a larger image
Boss Audio MRWT69 Front/Back
Designed for waketower use and ready for the rough marine environment.
Waketower Ready

The MRWT69 is designed specifically for waketower use, easily installed by hanging from above. The speaker enclosures are optimized for the task, protected from potentially damaging wind and surf.

Powerful Audio

Featuring a 6 x 9 inch oblong design, the MRWT69's speaker offers an 80-ounce magnet structure, metallic injection cone material, 1.5-inch aluminum voice coil, and dual 1-inch mylar dome tweeters, for clear highs, low distortion, and maximum peak power handling.

Each MRWT69 can handle up to 550 watts of peak power, and they come with a durable black-and-silver metal cover.

Ferrofluid Enhanced

As with many Boss designs, magnetic ferrofluid is utilized in this speaker's construction, between the magnet and voice coil, for added heat conductivity away from the voice coil itself. This allows the speaker to take much more power without damaging the voice coil.

One-Year Warranty

Get some added piece of mind with Boss' one-year warranty.

MRWT69 Select Specifications

Power Rating: 550 Watts Peak
Impedance: 4 ohms
Sensitivity: 95dB
Frequency Response: 40 Hz - 20 kHz
Voice Coil: 1.5-Inch Aluminum
Magnet Structure: 80 Oz.
Cone Material: Metallic Injection
Tweeter: 2 x 1-inch Mylar Dome

What's in the Box

Boss Audio MRWT69 Four-Way 6x9-Inch Waketower Speaker System (Single), Grille, Installation Hardware, Documentation

Product Detail

  • Product Dimensions: 12 x 9 x 9.5 inches; 10 pounds
  • Shipping Weight: 10 pounds
  • ASIN: B000HBY8EQ
  • Item model number: MRWT69
  • Average Customer Review: Customer Reviews

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