Boat & Marine Upgrades in Springfield, IL

Lifetime Warranty on Labor | Over 30 Years of Experience

Boat Audio Systems and Marine Upgrades

Upgrade your time on the water with professional boat audio systems, marine lighting, and leather seating upgrades from Auto Additions. We help boat owners throughout Springfield, IL enhance their boats with high-quality installations designed for better sound, improved comfort, and a more enjoyable boating experience.

Marine Audio System Installation

We design and install marine audio systems built to deliver clear, powerful sound on the water. From speakers and amplifiers to complete audio packages, we help create an experience you'll enjoy every time you leave the dock.

Marine Lighting Upgrades

We install marine lighting solutions that enhance visibility, safety, and style. Whether you're cruising after sunset or spending time at the marina, custom lighting helps your boat stand out day and night.

Marine Electronics & Navigation Systems

We install modern marine electronics and compatible touchscreen systems that make your time on the water more connected and convenient. From navigation and Bluetooth audio to Apple CarPlay compatible displays, we'll help you choose the right technology for your boat.

3D Printing & 3D Scanning for Marine Applications

Using advanced 3D scanning and printing, we can create custom-fit components for marine audio installations where off-the-shelf parts just won’t cut it. From speaker mounts and enclosures to unique adapters and finishing pieces, this technology allows us to design around the exact shape of your boat for a cleaner fit, more integrated appearance, and truly custom result.