Infinity Marine 6952M (Replaces 6912M)

300W Peak (150W RMS) 6x9" 2-Way Coaxial Marine Speakers

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List price $209.95

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Arrives by Thursday, Jan. 25 to zip 20147

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The Sound of quality

Sonic Electronix, one of the leaders in car audio, recently visited Harman, the premium global audio and infotainment group, at their research and development locations in Northridge, California and Detroit, Michigan. The purpose of these visits was to utilize and combine the powerful brand of Harman and the industry leading knowledge behind Sonic Electronix to begin working together on developing future car audio projects.

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General Features:

  • 6x9" 2-Way Marine Speakers
  • Power Handling:
    • Peak: 300 watts per pair / 150 watts each
    • RMS: 150 watts per pair / 75 watts each
  • Recommended power range: 10 - 75 watts RMS per channel
  • UV and water resistant design
  • Polypropylene cone
  • Rubber surround
  • 4 ohms impedance
  • Frequency Response: 36-20,000 Hz
  • Top-mount Depth: 3-1/16"
  • Mounting Diameter: 5-9/16" x 8-9/16"
  • Translucent outer ring matches any surface
  • Integrated grill assembly
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Priced Per Pair

Product History:

Infinity 6952M thumbnail
(newest, current model)
Infinity 6912M thumbnail
(previous model, replaced by Infinity Marine 6952M (Replaces 6912M))

Speaker Specifications

Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
6" x 9"
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
300 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
75 watts
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
92 dB
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
36 - 20000 Hz
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
Cutout Dimensions
Refers to the dimensions of the hole, measured in inches or millimeters, required to contain the speaker.
5-9/16 x 8-9/16 
Speaker Grilles
A grating or screen of metal or plastic bars or wires, mounted in front of a speaker as protection. If yes, the speakers will include matching speaker grilles. If no, there are no grilles included.
Number of Speakers
This is the number of speaker that is included in the package. Each purchase will result in receiving the number of speakers indicated here. Please note that some items will have multiple woofers in the same enclosure. For sets of component speakers, this number will refer to the number of sets of speakers (For example, 2 would indicate the purchase includes 2 woofers and 2 tweeters).

Please refer to the product image and description for further details about the speaker.


Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating


Elizabethport, NJ

Verified Purchase
Great Sound at a great price!

March 18, 2017

Bought these for a custom audio setup on my Vulcan Mean Streak. These things sound awesome! Paired with an amp and a good equalizer setup on my music app these things push. Highs and mids come thru well and also covers the mid-bass sound pretty well. Only downsides in my opinion is (1) not being able to remove or separate the grill cover from the speaker and (2) not having an alternate color option (preferably black). But hopefully some matte black plasti dip should solve the color issue. Priced well and even had a coupon code for them. Will probably buy another pair just to maximize sound output while riding. It doesn't come with any speaker wire or connectors, so you will need a bit of "know-how" to wire it up.

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Tucson, AZ

Great Sound Great Value

November 11, 2016

I love the sound of these Infinity 6x9 Speakers. Bought these speakers to replace the 4 Infinity Speakers that had been in my boat for 15 years! They still sounded great and survived the Marine environment, but in changing everything in my Marine Sound System, bought new 6952Ms. They are driven by a new JL 4x400 Amp. I HIGHLY recomend these speakers to anyone looking to upgrade their Marine system

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Tim k

Greenville wi

Awesome priced speakers!

October 8, 2016

I bought these for my camper and they sound fantastic!

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Jay M.

Lake Arrowhead, CA

Verified Purchase
Just what I expected!

June 30, 2016

I have high expectations when purchasing Harmon Kardon Products and the Infinity 6952 did not disappoint. First off, the build quality is second to none. These things have endured everything from moisture to harsh UV rays and dirt; still sound perfect like when I got them day 1. The sounds quality is great too. I have some higher end JL Audio marine speakers that I paid almost double for and these Infinity speakers perform just as well. Will pick up another set as soon as I can get the boat out of storage. Thanks Sonic!

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Alhambra, California

speakers sound better than the competition

June 29, 2016

Clean sound, these put out good sound quality and volume. I have 4 of these in my boat, and the sound quality is UBER > the competition. I've owned the other brands advertised on Sonic and these hands down win.

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Accessory Tools and Products

Accessories added

50 ft. NVX 16 Gauge Speaker Wire (OFC)

50 ft. of True Spec 16 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

Your Price $19.99

75 ft NVX 16 Gauge Speaker Wire (OFC)

75 ft. of True Spec 16 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)

Your Price $24.99

Items we think you might want
6952M_MBT-CRX main
Infinity Marine Speakers with JL Audio Bluetooth Remote (Compatible with any Stereo/Amplifier!)

• 6x9" 2-Way Marine Speakers
• Peak: 300 watts per pair / 150 watts each
• RMS: 150 watts per pair / 75 watts each
• UV and water resistant design
• Universal Marine Bluetooth Audio Controller / Receiver
• IPX6 water resistance rating
• Compatible with Bluetooth equipped (A2DP) devices

Your Price $228.95

Browse 2 questions and 10 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
Infinity by Harmon , says it all
Randell W on Nov 24, 2017
decent sound and shallow depth
Chris O on Mar 24, 2017
Heard good reviews
Miguel R on Mar 29, 2017
Matches the pair of 6.5's I already have and they sound great. So I thought I would give these a try.
William A on Feb 6, 2017
Is the speaker wire included with the Infinity 6952M speakers ?
Rick W on Jul 18, 2016
Best Answer: No, speaker wire is not included.
Reply · Report · Jeffrey V on Jul 18, 2016
· Add Answer · I Have This Question Too (0)

Product Summary


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Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Infinity Marine 6952M (Replaces 6912M)

  • Harman International: The Pursuit of Great Sound

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Infinity Marine 6952M (Replaces 6912M)

300W Peak (150W RMS) 6x9" 2-Way Coaxial Marine Speakers


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50 ft. NVX 16 Gauge Speaker Wire (OFC)

50 ft. of True Spec 16 Gauge EnvyFlex Speaker Cable/Wire (100% Oxygen-Free Copper)



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