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Infinity Marine 6912M (OPEN BOX INCOMPLETE)

6x9" 2-way Marine Speakers

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This item has been discontinued

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Infinity Marine 6912M (OPEN BOX INCOMPLETE)

6x9" 2-way Marine Speakers


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23 ft. Belva Speaker Wire (CCA)

23 ft 16 Gauge Speaker Wire (CCA)



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This is an Open Box Item

This is an open box item. We have checked, tested, and confirmed this item to function properly, however it is missing the manual.
This open box product has a 30-day return policy and a 90-day warranty

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.

Item Condition: Open Box Incomplete

  • Item is missing the manual, Item has been installed, used
    • 6" x 9" 2-way Marine Speakers
    • Power Handling:
      • Peak: 600 watts per pair / 300 watts each
      • RMS: 200 watts per pair / 100 watts each
    • Polypropylene woofer cone
    • UV-resistant rubber surround
    • 1-1/4" Polypropylene semi-dome tweeter
    • Corrosion-proof cast polymer basket
    • Non-removable grille specially treated to retain its finish
    • Spider and tinsel leads are treated against moisture contamination
    • 4 ohms impedance
    • Sealed woofer cone and magnet structure for extra moisture protection
    • Stainless steel mounting hardware included
    • Top-mount depth: 3-1/16"
    • Authorized Internet Dealer
    • 1-year Manufacturer's warranty

    Priced Per Pair

    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.
    Tweeter Design
    Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
    Tweeter Composition
    Materials such as polypropylene, silk, cloth, and paper are the most common, where as many more recent tweeters are now manufactured with composites such as Aluminum, Titanium, Mylar, and other materials.

    PEI is an acronym for "Polyetherimide" which is an amorphous, amber transparent, high-performance thermoplastic.

    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.
    UV Treated Foam
    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.
    100 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".
    96 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 - 20,000 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, required to contain the speaker.
    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
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    1 Star

    Average Attribution Rating

    Accessory Tools and Products

    Accessories added

    23 ft. Belva Speaker Wire (CCA)

    23 ft 16 Gauge Speaker Wire (CCA)

    Your Price $12.99

    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 $14.99

    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 $15.99

    Browse 4 questions and 18 answers
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    Why did you choose this?
    Sonic Electronix Store
    Like Infinity speakers and 6 x 9 tend to have better bass
    Kyle K on Jun 4, 2016
    Great quality great price
    Ryan L H on Nov 25, 2015
    Good price, marine grade, great efficiency, going in my Jeep
    Gregory B on Dec 1, 2015
    Familiar with Infinity products and their quality. Great sound for the price.
    Gill L on Nov 3, 2015
    will infinity marine 6912m speakers work in my dash of my 2013 victory cross country motorcycle ?
    redneck on Sep 27, 2015
    Best Answer: Yes they will work just fine. I have mine on a 2000 Road King for the past two years and they work excellent. Very happy with them.
    Reply · Report · Kenneth F on Sep 28, 2015
    · Add Answer · I Have This Question Too (2)
    water resistant or water proof?
    Howell on Dec 1, 2014
    Best Answer: I have a center console and they are mounted flush, I have had them installed for about 6 months I would say water proof they still sound great and for the price, cant complain
    Reply · Report · Richard E on Dec 1, 2014
    · Add Answer · I Have This Question Too (0)
    What is the cutout dimension for these speakers?
    RvrLee on May 7, 2016
    Best Answer: I'm not sure. If u order these speakers they have a cut out pattern that comes with them. Sorry
    Reply · Report · gerald v on May 9, 2016
    · Add Answer · I Have This Question Too (0)

    Product Summary


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    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 6912M (OPEN BOX INCOMPLETE)