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Custom Car Audio
& Fabrication

Forget pre-fabricated boxes and generic installs. We are custom fabricators who design and build audio systems that are acoustically perfect and seamlessly integrated into your vehicle. We build for performance, crystal-clear highs, and deep, clean bass that you feel. This is the sound quality that cheap shops and off-the-shelf parts can never deliver.
SATISFIED CUSTOMERS WHO TRUST OUR SERVICES
Satisfied Customers
Our aggressive custom builds and high-status results speak for themselves.
YEARS OF EXPERIENCE
VEHICLE RESTORED
EXPERT TECHNICIANS
CUSTOMER SATISFACTION
Find quick answers to the most frequently asked questions about custom car audio and fabrication.
Why is a custom enclosure better than a pre-fab box?
A pre-fabricated box is a cheap, one-size-fits-all compromise. A custom enclosure is engineered specifically for your vehicle and subwoofers, delivering vastly superior bass response, accuracy, and overall sound quality.
What is DSP tuning and why do I need it?
A Digital Signal Processor (DSP) is the brain of a high-end audio system. It allows us to correct for your vehicle's poor acoustics, ensuring every speaker performs perfectly. It's the difference between loud noise and a precise, immersive soundstage.
Will you install equipment I bought online?
We only install equipment we sell. We cannot guarantee the quality or performance of parts from unknown sources, and our 30-year reputation is built on delivering flawless, reliable systems using only premium, proven brands.
What is the process for getting a quote?
It starts with a conversation. Bring your vehicle to our Lake County facility, and we'll discuss your vision, inspect your car, and design a solution that fits your goals and budget. No guesswork, no surprises.
Do you use high-quality car audio brands?
We only use equipment we'd install in our own cars. We sell and install top-tier brands known for performance and reliability. We refuse to install the cheap, knock-off junk that other shops push.
Can you match my car's factory paint color?
Perfectly. Our color-matching technology is state-of-the-art, ensuring a seamless and undetectable repair or paint job. Your vehicle will look like it just left the factory floor, only better.
What makes your window tinting better than others?
Two things: the film and the installer. We use premium, color-stable films that never bubble, peel, or turn purple. Our technicians are masters of the craft, ensuring a flawless, contamination-free application every time.
Can you build something completely unique for my car?
Yes. That’s our specialty. We are fabricators, not just installers. From custom fiberglass speaker boxes to one-of-a-kind interior panels, if you can imagine it, we can bring it to life right here in Lake County.
Stereo Plus, Inc in Lake County Illinois offers Custom Car Audio, Auto Body and Window Tinting.
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