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JL Audio M12IB6-SG-WH

12" marine subwoofer (White w/ "Sport" grille)

Item # 13691618

Whether you have a big boat or just like big bass, this 12" marine subwoofer delivers the punch you need.

Read more from Crutchfield writer, Jon P.

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$749.99 each

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About the JL Audio M12IB6-SG-WH

BJL Audio Built In USAehemoth bass for your boat

Whether you have a big boat or just like big bass, this 12" marine subwoofer delivers the punch you need. The M12IB6-SG-WH reflects JL Audio's commitment to top-quality engineering and quality. The sparkling white finish and "Sport Grille" design make it a perfect match for many boat interiors.

BJL Audio Built In USAehemoth bass for your boat

Whether you have a big boat or just like big bass, this 12" marine subwoofer delivers the punch you need. The M12IB6-SG-WH reflects JL Audio's commitment to top-quality engineering and quality. The sparkling white finish and "Sport Grille" design make it a perfect match for many boat interiors.

Marine-rated durability

Built from the ground up for the marine environment, the M12IB6-SG-WH sports a corrosion-resistant Centrex® polymer basket that surrounds the sub's internal structure for extra protection. A massive 4" coil and a rugged suspension ensure that this sub can handle a lot of bass.The marine-grade synthetic fiber spider, injection-molded polypropylene cone, and synthetic rubber surround provide high-quality performance while shrugging off the corrosive effects of sun, salt, and moisture.

Ideal for infinite-baffle installations

Designed for infinite-baffle use, this sub is at its best when used with amplifier power in the 200– to 600-watt range and is optimized to operate with a large volume (at least 3 cubic feet) of air behind it.

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Product highlights:

  • 12" 4-ohm marine subwoofer
  • injection-molded mica-filled polypropylene woofer with synthetic rubber surround
  • Centrex polymer basket and white "Sport" grille, with stainless steel back plate
  • gold-plated, marine-grade brass binding posts
  • marine-grade synthetic fiber spider
  • designed for infinite baffle installations
  • power range: 100-600 RMS
  • sensitivity: 86.7 dB
  • mounting depth: 8-1/16"
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 91618
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What's in the box:

  • One 12" Marine subwoofer
  • White polymer grille
  • Six 1-1/2" Stainless-steel screws
  • 6 Stainless-steel flat washers
  • 6 Grille logo badges (2 Red/ 2 Black/ 2 White)
  • Owner's manual

Customer reviews

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JL Audio M12IB6-SG-WH Reviews

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More details on the JL Audio M12IB6-SG-WH

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Features

Marine Tested: JL Audio's marine subwoofers are subjected to ultraviolet testing chambers (to simulate years of sun exposure) and salt fog chambers (to simulate years of exposure to salt-water environments). Marine-grade stainless steel mounting hardware is included.

Construction: The 12" subwoofer features an injection-molded, mica-filled polypropylene cone with a synthetic rubber surround specifically formulated with UV inhibitors for marine use. Marine-grade, synthetic fiber spiders withstand high humidity. The polymer baskets are corrosion and UV-resistant and encapsulate the sub's motor system to prevent corrosion.

Dynamic Motor Analysis (DMA): DMA is JL Audio's proprietary method of improving dynamic motor behavior. As a result of DMA optimization, the subwoofer's motor remains linear over a long excursion range, and also maintains a stable fixed magnetic field in the gap over a wide power range. The result is reduced distortion, faithfully reproduced transients, and tight, clean, articulate bass.

Infinite-Baffle Operation: The M12IB6 is optimized for infinite baffle operation so that it can be installed in a variety of locations, without the need for a dedicated enclosure. If an enclosure is used, 2 ft³ is the minimum recommended volume.

Polymer Basket And Grille: The UV-resistant polymer basket and grille are corrosion and UV-resistant, protecting the subwoofer and encapsulating the motor assembly to prevent corrosion. The grille can be removed, it's held in place by six screws. If the sub is mounted without the grill, the mounting height is 0.92".

Mounting Hardware: The woofer comes supplied with marine-grade, stainless-steel mounting screws and washers.

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
I have had a JL 10" and have heard the 12" in the same boat. The bass definitely sounded better. It was hard to pay the extra money though. [ GARY P  Apr 27, 2017 ]

1 question already asked

Q
Have a 4.85 ish sealed box was wondering if that would work and what the cut out size for it was as I have a 10 inch in it Now think it will work but wana be sure before I drop 700 $ ?
[ 2cycle  Aug 10, 2018 ]
1 answer
A
I have two 10's, the big boy 12, 8 7.7's and two 7.7 tower speakers on my 29 foot center console boat, here's my advice: don't go with 2 or even 3 10's, one 12 is insane, like really good insane! The lows it can hit are tremendous and puts my two 10's to shame, you really can't even hear them over the 12. I just wish someone gave me this advice before I got my 10's haha. As for the enclosure: I'm 90% sure these are infinite baffle subs meaning no enclosure is needed... having said that, my 12 is mounted in my helm seat/bait station so technically it's on a giant box, but there drawers and plumbing and gaps everywhere so it's not sealed by any means. I can't remember the exact cutout size, of you go to JL Audio's website and pull of the 12 and go to specifications it'll give you exact measurements for inside and outside diameter, depth needed etc. if I were you I'd cut the hole to make the sub fit. I promise it's worth it!
[ STEVEN  Aug 21, 2018 ]

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