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MartinLogan ML-55AW

Outdoor speakers (Black)

Item # 839ML55AWB

California customers:
Please click here for your Proposition 65 warning.

Item # 839ML55AWB

In stock
$459.99 pair

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Since 1974

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About the MartinLogan ML-55AW

Eric A.

Rockin' outdoor speakers

MartinLogan has produced indoor speakers of legendary quality for decades, so we expect nothing less from this pair of weather-resistant ML-55AW outdoor speakers. Each features a 5-1/2" mineral-filled polypropylene woofer and a 1" titanium tweeter for excellent musical fidelity. They handle up to 120 watts, so you can jam out at your next deck party.

Product highlights:

  • 1" titanium dome tweeter
  • 5-1/2" mineral-filled polypropylene cone woofer
  • frequency response: 85-20,000 Hz (±2dB)
  • fully sealed enclosure for indoor or outdoor use
  • sensitivity: 90 dB
  • handles up to 120 watts
  • impedance: 8 ohms
  • swiveling U-bracket included
  • paintable speaker grilles
  • 7"W x 9-3/4"H x 7-11/16"D
  • weight: 6.75 lbs.
  • warranty: 2 years (with product registration)
  • Our 60-day money-back guarantee
  • MFR # ML55BL

What's in the box:

  • 2 All-weather loudspeakers
  • 2 U-brackets
  • 2 Self-adhesive "MartingLogan" logo decals
  • User's Manual
  • Online Registration Card

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More details on the MartinLogan ML-55AW

Stacey B.

Features & specs

Type Surface Mount
Bluetooth No
Enclosure Sealed
Tweeter Type Hard-Dome
Tweeter Size (inches) 1
Midrange Size (inches) N/A
Woofer Size (inches) 5.5
Woofer Composition Mineral-filled polypropylene
Woofer Surround Rubber
Power Range (watts) 15-90
Sensitivity 90 dB
Impedance (ohms) 8
Frequency Response 85-20k Hz
Connector Type Binding post
Height (inches) 9-3/4
Width (inches) 7-1/16
Depth (inches) 7-9/16
Weight (pounds) 6.75
Wall-mountable Yes
Bracket Included Adjustable bracket
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research


All-Weather Loudspeaker: The MartinLogan Installer Series ML-55AW all-weather loudspeakers are constructed from durable materials to provide years of trouble-free outdoor listening enjoyment (even under extreme weather conditions). The ML-55AW loudspeakers feature a fully-sealed mineral-filled reinforced enclosure that provides protection from harsh weather elements. They also have water & UV-resistant aluminum grilles, stainless steel & polymer mounting brackets, brass hardware, and gold-plated binding posts for superior toughness.

Note: MartinLogan recommends that you not place the ML-55AW loudspeaker in direct sunlight. The ultraviolet (UV) rays from the sun can cause deterioration of speaker cones, etc. For installation of these all-weather speakers MartinLogan recommends as little direct sunlight as your installation will allow.

Two-Way Driver Design: The Installer Series ML-55AW all-weather loudspeakers feature a 1" titanium dome tweeter and a 5.5" mineral-filled polypropylene woofer to ensure great high, midrange, and midbass frequency performance.

Gold-Plated Binding Posts: The ML-55AW speakers are outfitted with gold-plated binding posts that will accept bare wire (up to 10AWG), pin-connectors, spade-lugs, and banana plugs (single only). Use 16AWG speaker wire for wire runs of 15' or less, 14AWG speaker wire for wire runs of 30' or less, and 12AWG speaker wire for wire runs of 30' or less.

Mounting Options: The included U-brackets allow for installation in locations such as mounted to an exterior wall under a roof soffit (minimizing exposure to sunlight and rain), an exterior wall, in a gazebo, on a deck or railing, etc. The ML-55AW can be mounted horizontally or vertically. When mounted vertically, the U-brackets allow you to swivel the speakers left or right. When mounted horizontally, the brackets allow you to swivel the speaker up or down.

  • Dimensions With Bracket:
    • Vertically: 7.0625" (w) x 9.75" (h) x 7.5625" (d)
    • Horizontally: 9.75" (w) x 7.0625" (h) x 7.5625" (d)
  • Dimensions Without Bracket:
    • Vertically: 7.0625" (w) x 8.4375" (h) x 6.875" (d)
    • Horizontally: 8.4375" (w) x 7.0625" (h) x 6.875"
Note: The screws needed to mount the brackets to your exterior surface are not included and sold separately at your local hardware store.

Placement: Ideally you want to place the speakers far enough apart to achieve stereo imaging, but not so far apart that you are unable to hear both speakers simultaneously in the primary listening area. As a rule of thumb, distance between your speakers should equal 50-75% of the distance from the listening area. For example, if you have a grilling or lounging area 20' away, the speakers should be positioned 10'-15' feet apart.

Installer Series: The Installer Series by MartinLogan is a line of high-performance loudspeakers, featuring custom installation solutions for in-wall, in-ceiling, and outdoor applications. They have been manufactured to MartinLogan's highest standards of quality.

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A larger woofer and greater power handling

The MartinLogan ML-65AW offers these features:
  • 6-1/2" mineral-filled polypropylene cone woofer
  • handles up to 140 watts
  • frequency response: 80-20,000 Hz
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