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Alpine KTX-LK12
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Alpine KTX-LK12 12-Inch PrismaLink™ Enclosure Linking Bracket Kit
Product overview:
The Alpine KTX-LK12 is a specialized hardware expansion kit designed to seamlessly connect multiple 12-inch Alpine PrismaLink™ S2-SB12 subwoofer enclosures. Whether you want to double your bass output or build a massive multi-sub array, this kit provides the structural integrity and aesthetic finish needed for a professional, high-output installation.
Features
Seamless Connectivity
The KTX-LK12 is engineered for unlimited multi-link capability. It allows you to mechanically join two or more S2-SB12 enclosures together so they function as a single, rigid unit. This modular system gives you the flexibility to expand your setup over time, adding more 12-inch enclosures as your bass needs grow without having to replace your original box.
Safety & Convenience
Constructed from heavy-duty steel, the kit includes both front and rear link bracing to ensure your enclosures stay perfectly aligned and securely fastened. It is a comprehensive "bolt-on" solution that includes all necessary mounting hardware. By anchoring the boxes together, you eliminate the safety hazard of large enclosures sliding or tipping in your cargo area during sharp turns or sudden stops.
Effortless Lighting Expansion
Designed to complement the PrismaLink™ aesthetic, the kit includes an RGB wiring harness that allows for the seamless extension of the integrated lighting trim bars from one enclosure to the next. The front bracket features a silver trim design that matches the factory look of the S2-SB12, ensuring that the visual "glow" and hardware finish remain perfectly consistent across your entire subwoofer wall.
Fine Tune Your Sound
By linking multiple 12-inch enclosures, you can tailor your sound setup precisely to your vehicle's acoustics. Increasing the number of subs significantly boosts sound pressure levels (SPL) and air displacement for deeper, more impactful low-end. Because the brackets are precision-cut for the S2-SB12, they maintain the correct spacing for the side-firing ports, ensuring maximum acoustic efficiency.
Full Specs:
| Category | Specification |
| General | |
| Product Name | KTX-LK12 |
| Compatibility | Alpine S2-SB12 (12" PrismaLink™ Enclosures Only) |
| Material | Heavy-Duty Steel |
| Finish | Silver Trim (Front) / Black (Rear) |
| Lighting Support | RGB Wiring Harness Included |
| Expansion Limit | Unlimited (Link 2, 3, 4, or more) |
| Included Hardware | Front Bracket, Rear Brace, All Necessary Screws |
| Warranty Information | |
| Parts/Labor Warranty | 1 Year Limited |
- Ships within 1–3 business days from our warehouse
- Tracking included with every order
- Free 30-day returns if it doesn’t work for your setup
- 2-year manufacturer warranty
- Authorized dealer guarantee
- Real installer-backed support before and after purchase
Alpine KTX-LK12
Sale price$79.95
Why This Upgrade Makes Daily Driving Better
Ease of Use & Safety
Hands-free control reduces distraction and frustrationwhile driving.
Expandable by Design
Add backup cameras, better speakers, amps, or subsanytime.
FITMENT & INSTALLATION MADE SIMPLE
WHAT VEHICLES IT WORKS WITH
FIND THE RIGHT PRODUCT FOR YOUR EXACT VEHICLE
We verify compatibility before you buy, no guesswork.
DIY FRIENDLY IF:
- You're comfortable with basic tools
- You follow provided instructions
PROFESSIONAL INSTALL RECOMMENDED IF:
- Your vehicle requires dash kits or wiring adapters
- You want a turnkey experience
INSTALLATION CREDIT & SUPPORT:
- $75 Installation Credit when purchased online
- Speak to real installers before you buy
- Bring it into one of our locations for install
40 Years of Installation Experience
Tens of Thousands of Installs Completed
Authorized Dealer Full Warranties
Why Buying This Here Is Safer Than Anywhere Else
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Easy Returns
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Physical stores & real installers
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FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
How do I know this stereo or speaker will fit my car?
Select your year, make, and model using the Vehicle Fit Guide at the top of the page. You’ll only see products that are compatible with your exact vehicle setup.
What happens if I order something that doesn’t fit?
You can return or exchange it within 30 days. We’ll help you identify the correct part for your vehicle so you don’t have to guess again.
Are these products brand new and covered by warranty?
Yes — all products are brand new, authentic, and sold as an authorized dealer, which means they include a full manufacturer warranty.
Can you install this for me, or do I need to do it myself?
You can do either. Install it yourself, or use your $75 installation credit at our shop and have it professionally installed by our team.
What if I don’t know what to choose for my car?
Tell us your vehicle and what you want to improve (sound, bass, CarPlay, etc.). We’ll recommend the exact products that fit your car and your budget.
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