About
SMS Car Audio
Locally owned & operated in Marrero, Louisiana — specialists in car, bike, Jeep, SxS & marine audio, fabrication, LED lighting, and DSP tuning for over a decade.
📍 5919 4th St, Marrero, LA 70072 • 🕘 Mon–Fri 10 AM–6 PM • Sat by appointment • Sun closed
Who We Are
We’re a hands-on fabrication and tuning shop focused on clean installs, reliable power, and great sound — whether it’s a daily driver, Harley, Jeep, SxS, or a competition build. After 10+ years serving the Gulf South, our goal is simple: make it sound right, look right, and last.
What We Do
- 🎚️Full Installations — radios, speakers, subs, amps, Big 3 wiring, factory integration
- 📐DSP Tuning — phase/time alignment & RTA calibration using Mosconi processors, GA Barnie mic, and Open Sound Meter
- 🧰Custom Fabrication — CNC panels, enclosures, amp racks, acrylic lighting, 3D-printed mounts
- 💡Lit-FX LED Panels & Rings — our in-house custom-engraved lighting line
- 🚙Vehicle Focus — Jeep, Harley-Davidson, trucks/SUVs, Polaris, Can-Am, marine
Brands We Trust
Kicker, MMATS, DB Drive / Euphoria, ARC Audio, Mosconi / Gladen, Focal, Recoil, Cicada Audio, Rogue, XS Power, Vault Power, Limitless Lithium, and more.
Why Choose SMS
- 🏆Authorized Dealer — full manufacturer warranty on new items
- 🔧Engineering-first installs — clean routing & serviceable layouts
- 📊Tuned by measurement — verified audio analysis, not guesswork
- 💳Financing — Snap & Acima available in-store
- 📍Real shop, real support — Marrero, LA
Ready to Start?
Book an install or DSP session, or message us for a build plan and quote.
📅 Book Install / Quote 🛒 Shop All Products© SMS Car Audio — Marrero, LA • Where music matters