Infinity 6912M

6"x9" 2-way marine speakers

Item #: 1086912M

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9 Reviews

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Infinity's marine speakers bring superior sound to your boat. Strong, weather-resistant materials and precise construction ensure these high-performance speakers will keep the party going for years to come.

The Infinity 6912M 6"x9" speakers feature a polypropylene woofer cone bonded to a tough, UV-resistant rubber surround. This design delivers full bass response, while maintaining excellent resistance to sunlight and moisture. The corrosion-proof, cast-polymer basket shrugs off deterioration caused by salt, moisture, and UV rays, while the stylish non-removable grille is specially treated to retain its shiny chrome finish.

The grille-mounted 1-1/4" tweeter offers excellent high-frequency projection. Infinity seals the front of the woofer cone along with the speaker's magnet structure for extra protection against moisture. Stainless steel mounting hardware is included.

Priced per pair

Product Highlights:

  • 2-way 6"x9" marine speakers (pair)
  • polypropylene woofer cone with UV-resistant rubber surround
  • grille-mounted 1-1/4" polypropylene semi-dome tweeter
  • cast-polymer basket and stainless steel mounting hardware
  • power range: 2-100 watts RMS
  • frequency response: 36-20,000 Hz
  • sensitivity: 96 dB @2.83V
  • peak power handling: 300 watts
  • top-mount depth: 3-1/16"
  • warranty: 1 year
  • Our 60-day money-back guarantee

Infinity 6912M Reviews

Average Customer Review:

9 reviews
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Incredible sound, bass surprised me!

Written By J, Arkansas on Wednesday, March 25, 2015

Crutchfield Customer Review (What's this?)

Just got these installed today. I chose Infinity based on previous experience with great sound quality. The amount of bass and total sound volume that two 6x9's can produce on just the preamp of my Kenwood unit astounded me! I've had many hi-power multi-amp car stereo's up to 1,000 watts before and these speakers are simply put.....loud, clear, and bass when given a large enclosure (for me it was a storage locker on a bass boat) the bass is incredible for 6x9's! Sounds as good as a pair of 8" subwoofers to me. Unless you want ground-pounders.......this is not a ground-pounder jar your teeth loose. But there are parts on my boat that are rattling and my son came outside because he thought it was thundering. So.....yes. They are loud and plenty of bass. Overall sound quality is incredible for the price paid. And Crutchfield's recommendation and online chat support was outstanding as well! Thanks to Crutchfield! Love my product and purchase experience!

Pros: Astounding sound quality, volume level, bass level, and efficiency for price paid.

Cons: Blue speaker cones. A little flashy for me. And my boat is red so I'm partial to red. (haha) I also prefer a speaker grill that is less exposed and protects the speakers more without allowing objects to puncture speaker.


Written By Rick, Chicago,Il on Thursday, August 21, 2014

Crutchfield Customer Review (What's this?)

I bought these speakers for a go-fas boat which has a very loud exhaust. I wanted a speaker that had some punch behind them.. Glad I bought these sound is a 10+ price was defiantly reasonable..

Pros: Easy install look great

Cons: NONE


Written By Wes, Katy, Tx on Friday, June 06, 2014

Crutchfield Customer Review (What's this?)

Awesome speakers for the price. I bought these speakers for my cooler stereo. They sound great!


Written By JoshW, Willow Spring, NC on Monday, May 05, 2014

Crutchfield Customer Review (What's this?)

I purchased two sets of these 6x9 speakers for my pontoon boat and I am amazed at the sound quality. I have them hooked up to a Kenwood marine BT head unit along with a Kenwood marine 400w amplifier. I was going to install a sub along with these,but I may just leave it how it is. The bass that these speakers produce is already enough to rattle the panels in some places on the boat. The sound is clear and has a nice punch without distortion. They have a very nice look to them as well. Overall, I am very pleased with the performance, appearance, ease of install, and product quality of these speakers.

Pros: Great sound, look, and quality for the price.

Cons: none


Written By Robert, Florida on Friday, September 20, 2013

Crutchfield Customer Review (What's this?)

One word (Amazing )!!!!!!!!!!!! Installed in my boat with a set of 6 1/2's and just pushing them with a head unit and it sounds just as good as my system in my small truck with amps.

lnfinity 6912m

Written By jrod, holgate ohio on Tuesday, July 23, 2013

Crutchfield Customer Review (What's this?)

I have not installed them yet but a friend has them on his motorcycle mounted in the inside of the saddle bags towards the tire on his kawasaki with a small amp and even with loud exhaust you can hear these speakers great! That was the reason I purchased the 6912m speakers

Pros: Sound great , look good too!

Cons: I haven't found any yet

Infinity 6912M

Written By Bobby, Beaumont, Texas on Tuesday, July 02, 2013

Great speakers! I installed 2 on my pontoon boat. Loved them so much I added 2 more. The cutouts in the shipping box worked great for templates.

Pros: Great sound and price.

Cons: I would of preferred a white grill, but they still look good.

Infinity 6912M

Written By Scott C, Lake Charles, LA on Thursday, July 05, 2012

Crutchfield Customer Review (What's this?)

Very nice speakers. Look great and sound great.

Pros: Look great and sound great. No problem so far.

Cons: Didn't have a template for mounting on the boat. I could have used that in order to cut and drill when mounting the speakers.


Written By Ingram254, Ft. Hood, TX on Tuesday, April 17, 2012

They feel cheap when you pick them up but omg, I bought a pair of these for my radio cooler and wow do they scream. I couldnt ask for anything louder. And I have them hooked up to a little 2channel 400watt dual amp........totally worth the buy if your on the river or lake and love LOUD MUSIC

Pros: Everything.

Cons: didnt come with the cutout template

Hands-on research

What's in the box?

Download owner's manual

  • Two 2-way 6x9" marine speakers (each speaker has a non-removable grille)
  • 8 Stainless self-tapping screws
  • 8 Stainless speed clips
  • 2 Self-adhesive foam-strips
  • Instructions
  • Warranty card
  • Infinity sticker

Product Research


UV- and Water-Resistant: These marine speakers feature UV- and water-resistant chrome-plated grilles, cast-polymer speaker baskets, rubber woofer surrounds, polypropylene woofer cones, poly semi-dome tweeters, and stainless steel mounting hardware. The spider and tinsel leads are also treated against moisture and UV contamination for marine applications.

Woofers: Each speaker has a 6x9" polypropylene woofer cone that rejects moisture and UV contamination while delivering excellent performance. Each woofer uses a UV- and water-resistant rubber surround.

Cast-polymer Baskets: Cast-polymer baskets are used to provide a waterproof platform that rejects UV contamination.

Tweeters: Each speaker uses a 1.25" poly semi-dome tweeter for crisp, clear highs.

Mounting Hardware: The speaker comes with stainless-steel mounting hardware and a fixed grille.

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.