Serving Greater New Orleans from Marrero

Car audio for Greater New Orleans, installed at our Marrero shop.

SMS serves New Orleans and the surrounding area from our shop at 5919 4th Street in Marrero. Shop the equipment online, or bring the vehicle to SMS for a system we supply, install, fabricate, integrate and tune. Whether it is a radio or speaker upgrade, stronger bass, Pro Audio, factory integration or a complete system, we start with the vehicle and what you want it to do better.

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Built here. Installed here. Tuned here.

These are real SMS projects from the same Marrero shop serving Greater New Orleans—not manufacturer stock photos or generic examples.

SMS Car Audio Voodoo Jeep high-output Pro Audio build with Kicker speakers, horns, custom lighting and MMATS subwoofers
Voodoo Jeep · Pro AudioHigh-efficiency mids, horn-loaded highs, amplifier power and custom fabrication built for serious usable output.See Pro Audio →
 SMS Car Audio Harley motorcycle audio competition first-place build
Harley · High-Output Motorcycle AudioA real open-air system where speaker placement, power, crossover protection and tuning all matter once the bike is moving.See motorcycle audio →
 2022 GMC Denali dual KICKER Solo X 8 custom subwoofer enclosure built by SMS Car Audio
GMC Denali · Truck BassDual Solo X 8 enclosure work built around the truck, seat clearance, real airspace and the output goal.See truck bass →

Start with the vehicle and the result you want.

Buy the equipment directly when the rest of the system is already figured out, or tell SMS what you drive and what needs to improve so we can work out the right products and installation.

Speakers & Pro AudioDaily-driver speaker upgrades, sound-quality front stages and true high-output systems, with mounting, power, crossover protection and tuning matched to the job.Open the speaker guide → Subwoofers & BassSubwoofers, amplifiers, truck boxes, built-to-order enclosures and custom bass systems planned around the available space and bass goal.Open the bass guide → DSP & Factory IntegrationKeep factory equipment when it makes sense, measure what the factory signal is doing, choose the correct interface or DSP and tune the system after the installation is verified.Read the factory-integration guide → Jeep AudioWrangler and Gladiator systems for daily driving, roof-off output, bass, custom fabrication, lighting and DSP-controlled sound quality.Open the Jeep guide → Motorcycle, Marine & PowersportsOpen-air systems where wind, engine noise, weather, mounting and charging capacity change what works.Open the vehicle guides → Installation & FabricationRadio, speakers, amplifiers, electrical, cameras, enclosures, acrylic, custom panels, factory integration and DSP tuning.See fabrication →

Visit SMS Car Audio in Marrero.

5919 4th Street, Marrero, LA 70072, serving New Orleans and the Westbank. Product sales are available online and in store; installation, fabrication and tuning are handled at the Marrero shop by appointment.

Retail ProductsShop online, ask about availability or purchase through the Marrero location.
Custom ProductsBuilt-to-order subwoofer boxes, Lit FX acrylic, vehicle-specific pieces and one-off fabrication.
Installation & TuningFactory integration, DSP tuning, electrical, custom fabrication and complete system setup at the Marrero shop.
Where Music Matters

Shop the equipment or have SMS build the system.

Tell us the vehicle, what is installed now, what space or factory features need to stay and what you want the system to do better. SMS can work out the equipment, installation, electrical support, custom fabrication and tuning.

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