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MTX SLH12

Empty Single 12" Ported Sledgehammer Enclosure

SLH12 big
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Empty Single 12" Ported Sledgehammer Enclosure

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.73 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
1
$139.95

In stock

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.73 cubic feet
• Mounting hardware included

MTX SLH15X2

Empty Dual 15" Ported Enclosure

SLH15X2 big
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Empty Dual 15" Ported Enclosure

• 15" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.02 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
3
$229.95

In stock

MTX SLH12X2

Empty Dual 12" Ported Sledgehammer Enclosure

SLH12X2 big
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Empty Dual 12" Ported Sledgehammer Enclosure

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.66 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
2
$199.95

In stock

MTX SLH10X2S

Empty Dual 10" Ported Square Sledgehammer Enclosure

SLH10X2S big
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Empty Dual 10" Ported Square Sledgehammer Enclosure

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.18 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
1
$189.95

In stock

MTX SLH10

Empty Single 10" Ported Sledgehammer Enclosure

SLH10 big
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Empty Single 10" Ported Sledgehammer Enclosure

• 10" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.19 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
1
$139.95

In stock

Only 3 Left!

MTX SLH10X2

Empty Dual 10" Ported Sledgehammer Enclosure

SLH10X2 big
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Empty Dual 10" Ported Sledgehammer Enclosure

• 10" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.38 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
$209.95

In stock

Only 1 Left!

MTX SLH12X2S

Empty Dual 12" Ported Square Sledgehammer Enclosure

SLH12X2S big
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Empty Dual 12" Ported Square Sledgehammer Enclosure

• 12" Dual Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 2.66 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
$199.95

In stock

Only 2 Left!

MTX SLH12S

Empty Single 12" Ported Square Sledgehammer Enclosure

SLH12S big
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Empty Single 12" Ported Square Sledgehammer Enclosure

• 12" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Total box volume: 1.65 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
1
$159.95

Available

Ships in 10-14 days

MTX SLH10S

Empty Single 10" Ported Sledgehammer Enclosure

SLH10S big
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Empty Single 10" Ported Sledgehammer Enclosure

• 10" Single Ported Subwoofer Enclosure
• Medium Density Fiberboard (MDF) construction
• Total box volume: 1.2 cubic feet
• Mounting hardware included

shipping truck icon Free shipping in USA. Provide zip for delivery date.
2
$139.95

In stock

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    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
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    1990 Buick Skylark

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    Identify your vehicle and submodel details
    • Owner's manual
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    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.