Modern Connectivity
Seamless Apple CarPlay® and Android Auto™ for navigation, music, and calls.
"Fit perfectly and worked exactly as expected — support was excellent."
Alpine KTE-12G.3
Upgrade Your Vehicle With Confidence. This Is Built to Fit, Perform, and Last
Real installer support before and after purchase
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Alpine KTE-12G.3 12-Inch Subwoofer Mesh Grille
Product overview:
The Alpine KTE-12G.3 is a premium 12-inch protective grille designed to shield your high-output subwoofers from damage. Specifically engineered for Alpine’s R-Series and S-Series subwoofers, this heavy-duty metal mesh cover is a must-have for trunk-mounted setups where shifting cargo, groceries, or gear could puncture a speaker cone. With its sleek matte black finish and integrated Alpine logo, it provides a clean, professional "factory-plus" look while ensuring your audio investment remains safe.
Features
Seamless Connectivity
The KTE-12G.3 features Alpine’s proprietary "EZ Change" twist-lock mounting system, which makes installation remarkably simple. It doesn't require extra screws or drilling into your enclosure; instead, it mounts directly under the subwoofer's existing trim ring. This specialized fit ensures that the grille stays perfectly centered and vibration-free, even during the most intense bass sessions.
Safety & Convenience
Built for the active vehicle owner, this grille acts as a rugged physical barrier against the everyday hazards of a cargo area. The powder-coated steel mesh is strong enough to deflect significant impacts without bending. By adding only about 1 inch to the mounting height, it remains low-profile enough to fit in most tight spaces while providing peace of mind that your subwoofer's surround and cone are protected from tears and dents.
Enhanced Audio & Ambiance
While it is built for toughness, the KTE-12G.3 is completely acoustically transparent. The mesh pattern allows for maximum airflow and zero sonic distortion, ensuring your 12-inch sub can still move the air it needs to hit those deep frequencies. Visually, the matte black powder-coat finish creates a refined, stealthy ambiance in your trunk, replacing an exposed woofer with a finished, high-tech aesthetic.
Fine Tune Your Sound
This grille is optimized for a "perfect fit" with the latest generations of Alpine's 12-inch drivers. Because it uses the factory trim ring for mounting, it eliminates the rattling or "buzzing" common with universal, screw-down grilles. This allows you to "fine-tune" your focus on the bass performance itself, knowing your hardware is secured behind a professional-grade shield that looks as good as it performs.
Full Specs:
| Category | Specification |
| General | |
| Color | Matte Black with Alpine Logo Badge |
| Material | Powder-Coated Steel Mesh |
| Compatible Speaker Size | 12" |
| Compatibility | Alpine R2-W12D2, R2-W12D4, S2-W12D2, S2-W12D4 |
| Mounting System | EZ Change Twist-Lock (Under Trim Ring) |
| Mounting Height Increase | Approximately 1" |
| Weight | 1.9 lbs |
| 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 KTE-12G.3
Sale price$39.95
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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