Serving Greater New Orleans from Marrero

Shop car audio products or visit SMS for professional service.

New Orleans-area customers can shop speakers, pro audio, subwoofers, amplifiers, DSP, batteries, wiring, cameras, enclosures, Lit FX, DJ equipment, and vehicle-specific products online. Installation, fabrication, integration, and tuning are available at the Marrero shop.

Visit the SMS Car Audio store.

5919 4th Street, Marrero, LA 70072, serving New Orleans and the Westbank. Product sales are available online and in store; scheduled work is handled by appointment.

Retail ProductsShop online, ask about availability, or purchase over the counter at the Marrero location.
Custom ProductsBuilt-to-order subwoofer boxes, Lit FX acrylic, vehicle-specific pieces, and one-off fabrication.
Professional ServiceInstallation, OEM integration, DSP tuning, electrical, custom fabrication, and system setup.
Where Music Matters

Buy the product or let SMS complete the job.

We first listen to whether you want better everyday sound, more bass, loud pro-audio output, open-air audio, a custom visual build, or a complete tuned system.

SMS Car Audio

Car Audio Installation Near New Orleans, LA

SMS Car Audio serves New Orleans-area customers from its shop at 5919 4th St in Marrero, Louisiana. SMS supplies and installs vehicle-audio, electrical, camera, source-unit, lighting, enclosure, DSP, and custom-fabrication systems. Customers from New...

SMS Car Audio serves New Orleans-area customers from its shop at 5919 4th St in Marrero, Louisiana. SMS supplies and installs vehicle-audio, electrical, camera, source-unit, lighting, enclosure, DSP, and custom-fabrication systems.

Customers from New Orleans, Algiers, Gretna, Harvey, Marrero, Westwego, Metairie, Kenner, Belle Chasse, and surrounding communities work with SMS when the project requires complete planning rather than an isolated product swap.

Book an Appointment | Contact SMS | Call or text 504-289-8127 | Marrero Installation Page

Car Audio Services for New Orleans-Area Customers

  • Speaker, component-system, coaxial, tweeter, midrange, and midbass installation.
  • Full-range, multichannel, DSP, and mono subwoofer amplifier installation.
  • Subwoofers, sealed and ported enclosures, truck under-seat boxes, and custom bass systems.
  • Apple CarPlay, Android Auto, Bluetooth, USB, steering-wheel-control, and source-unit upgrades.
  • Factory-radio integration, factory-amplifier bypass or retention, cameras, chimes, and vehicle-feature retention.
  • DSP installation, gain structure, crossovers, equalization, time alignment, polarity, phase, and subwoofer integration.
  • Battery, alternator, cable, fuse protection, grounding, and charging-system upgrades.
  • Jeep, motorcycle, SXS, UTV, Slingshot, truck, and specialty-vehicle systems.
  • 3D scanning, CAD, 3D printing, CNC machining, laser cutting and engraving, acrylic, Lit FX, and custom fabrication.

Why the Project Should Be Planned Before Products Are Purchased

A complete installation must account for the vehicle's factory signal, retained features, speaker locations, available enclosure space, amplifier load, wiring, electrical capacity, fabrication, setup, and tuning. A product that appears compatible by size or wattage can still be wrong for the actual vehicle or system layout.

Read the Car Audio System Planning Guide

Factory Integration and DSP Tuning

Modern factory systems can apply equalization, crossovers, delay, all-pass filtering, bass limiting, center-channel processing, and volume-dependent changes before the signal reaches aftermarket equipment. SMS evaluates the source and retained features before selecting the interface, amplifier, or DSP.

Speaker and Bass-System Planning

Speaker selection depends on acoustic role, mounting depth, adapter strength, grille clearance, impedance, power, crossover requirements, and environmental exposure. Bass-system design depends on the exact subwoofer, amplifier, final impedance, net enclosure volume, port requirements, vehicle loading, and required seat or cargo use.

CarPlay, Android Auto, and Cameras

Source-unit and camera upgrades must be matched to the factory radio, amplifier, steering-wheel controls, chimes, cameras, USB, antennas, data interfaces, dash space, and retained vehicle settings.

Jeep, Motorcycle, Powersports, and Custom Work

Open-air and specialty vehicles require exact environmental ratings, protected wiring, rigid mounting, charging-system planning, and enough acoustic projection to remain useful outside a closed cabin.

SMS Installation Policies

  • SMS installs products supplied through SMS Car Audio and does not accept customer-supplied equipment for installation.
  • Installation, DSP tuning, fabrication, and larger planning sessions require an appointment.
  • Installation appointments generally require a 50% deposit.
  • Custom and one-of-a-kind orders require full payment and are subject to the approval, cancellation, and return terms stated on the quote or product page.
  • SMS does not offer automotive window tint, alarm installation, or remote-start installation.

Visit SMS From the New Orleans Area

Shop: 5919 4th St, Marrero, LA 70072
Phone or text: 504-289-8127
Email: al@smscaraudio.com
Hours: Monday–Friday, 10:00 a.m.–6:00 p.m.; Saturday by appointment; Sunday closed.

Travel time and route conditions vary by starting location and traffic. Contact SMS before arriving for installation, inspection, fabrication, tuning, or a larger planning session.

Book a New Orleans-Area Installation

Send the vehicle year, make, model, trim, factory audio package, current equipment, useful photos, desired result, required seat or cargo function, and budget range.

Book Installation | Contact SMS | View Services | View the Build Gallery

Where Music Matters

Use the product, service, or support path that fits the job.

Customers can buy online or over the counter. Installation, fabrication, integration, and tuning are available when professional service is needed.

SMS Car Audio serves New Orleans-area customers from its shop at 5919 4th St in Marrero, Louisiana. SMS supplies and installs vehicle-audio, electrical, camera, source-unit, lighting, enclosure, DSP, and custom-fabrication systems.

Customers from New Orleans, Algiers, Gretna, Harvey, Marrero, Westwego, Metairie, Kenner, Belle Chasse, and surrounding communities work with SMS when the project requires complete planning rather than an isolated product swap.

Book an Appointment | Contact SMS | Call or text 504-289-8127 | Marrero Installation Page

Car Audio Services for New Orleans-Area Customers

  • Speaker, component-system, coaxial, tweeter, midrange, and midbass installation.
  • Full-range, multichannel, DSP, and mono subwoofer amplifier installation.
  • Subwoofers, sealed and ported enclosures, truck under-seat boxes, and custom bass systems.
  • Apple CarPlay, Android Auto, Bluetooth, USB, steering-wheel-control, and source-unit upgrades.
  • Factory-radio integration, factory-amplifier bypass or retention, cameras, chimes, and vehicle-feature retention.
  • DSP installation, gain structure, crossovers, equalization, time alignment, polarity, phase, and subwoofer integration.
  • Battery, alternator, cable, fuse protection, grounding, and charging-system upgrades.
  • Jeep, motorcycle, SXS, UTV, Slingshot, truck, and specialty-vehicle systems.
  • 3D scanning, CAD, 3D printing, CNC machining, laser cutting and engraving, acrylic, Lit FX, and custom fabrication.

Why the Project Should Be Planned Before Products Are Purchased

A complete installation must account for the vehicle's factory signal, retained features, speaker locations, available enclosure space, amplifier load, wiring, electrical capacity, fabrication, setup, and tuning. A product that appears compatible by size or wattage can still be wrong for the actual vehicle or system layout.

Read the Car Audio System Planning Guide

Factory Integration and DSP Tuning

Modern factory systems can apply equalization, crossovers, delay, all-pass filtering, bass limiting, center-channel processing, and volume-dependent changes before the signal reaches aftermarket equipment. SMS evaluates the source and retained features before selecting the interface, amplifier, or DSP.

Speaker and Bass-System Planning

Speaker selection depends on acoustic role, mounting depth, adapter strength, grille clearance, impedance, power, crossover requirements, and environmental exposure. Bass-system design depends on the exact subwoofer, amplifier, final impedance, net enclosure volume, port requirements, vehicle loading, and required seat or cargo use.

CarPlay, Android Auto, and Cameras

Source-unit and camera upgrades must be matched to the factory radio, amplifier, steering-wheel controls, chimes, cameras, USB, antennas, data interfaces, dash space, and retained vehicle settings.

Jeep, Motorcycle, Powersports, and Custom Work

Open-air and specialty vehicles require exact environmental ratings, protected wiring, rigid mounting, charging-system planning, and enough acoustic projection to remain useful outside a closed cabin.

SMS Installation Policies

  • SMS installs products supplied through SMS Car Audio and does not accept customer-supplied equipment for installation.
  • Installation, DSP tuning, fabrication, and larger planning sessions require an appointment.
  • Installation appointments generally require a 50% deposit.
  • Custom and one-of-a-kind orders require full payment and are subject to the approval, cancellation, and return terms stated on the quote or product page.
  • SMS does not offer automotive window tint, alarm installation, or remote-start installation.

Visit SMS From the New Orleans Area

Shop: 5919 4th St, Marrero, LA 70072
Phone or text: 504-289-8127
Email: al@smscaraudio.com
Hours: Monday–Friday, 10:00 a.m.–6:00 p.m.; Saturday by appointment; Sunday closed.

Travel time and route conditions vary by starting location and traffic. Contact SMS before arriving for installation, inspection, fabrication, tuning, or a larger planning session.

Book a New Orleans-Area Installation

Send the vehicle year, make, model, trim, factory audio package, current equipment, useful photos, desired result, required seat or cargo function, and budget range.

Book Installation | Contact SMS | View Services | View the Build Gallery