⚡ Enhance Your Vehicle’s Power
SMS Car Audio × Auto Tech Engineering
American-made high-output alternators for real performance.
At SMS Car Audio in Marrero, LA, we push the limits of audio performance every day — and power is where it all starts. Whether you’re running multiple amplifiers, lithium banks, or pro-audio speakers, a high-output alternator from Auto Tech Engineering delivers the current your system demands.
🏁 Why Auto Tech Engineering?
- 🇺🇸 American-built quality and reliability since 1985.
- 🧪 Tested for ripple current, rotor speed, and long-term durability.
- ⚙️ Available in outputs from 130 A to 500 A+ — ready for SPL, off-road, marine, or custom builds.
🔋 Featured Alternator Lines
- Gold Series — 130–320 A: perfect for daily drivers with upgraded audio systems.
- Competition Series — 240–500 A+: designed for high-demand builds and show vehicles.
- Custom Solutions — built-to-order fitment for cars, trucks, boats, and side-by-sides.
⚡ Why Upgrade Your Alternator?
Factory alternators weren’t built for massive power draw. If you’re seeing dimming lights, voltage drop, or amp clipping, your electrical system is likely maxed out. A high-output alternator provides stable voltage, cleaner current delivery, and peace of mind under load.
🧰 Professional Installation
Even the best alternator can’t perform without correct installation. Our certified SMS techs handle fitment, wiring, voltage sensing, and charging integration to make sure your upgrade runs flawlessly from day one.
💵 Financing Available
We make high-performance builds accessible. Flexible financing and payment plans are available for alternator upgrades, installs, and full systems — just ask during booking or checkout.
📞 Ready to Upgrade?
SMS Car Audio
5919 4th St, Marrero LA 70072
Call/Text 504-289-8127
⚠️ Proper electrical upgrades are essential for audio performance and safety — trust professionals who understand current demand and load balancing.