Phase 4 Stereo storefront

Welcome to Phase 4 Stereo

For 50 years, we’ve been the leading stereo and electronics dealer in Idaho Falls.

We provide car audio, home theater, home automation, and commercial sound solutions to Southeastern Idaho and beyond.

Car Audio

Want to take your car audio system to the next level? We can help. For more than 50 years we have been helping our customers turn it up a notch on the road.

Home Theater

Make your home the hang out spot with a home theater – just grab your popcorn, slip off your shoes, and get streaming.

…and More

From high-tech home automation to solutions for businesses, government, and more, we are happy to help.

Visit Us

Stop by and speak with a knowledgable, experienced salesperson. Whether it’s car audio, home automation, or commercial solutions, we’re here to help.


3135 E 17th St, Ste D
Idaho Falls, ID 83406

(208) 523-1234


Weekdays – 9:30AM to 6PM
Saturday – 9:30AM to 5PM
Sunday – Closed

Ready to get started?

Contact Us

Use the form at the right to get in touch with us. We will get back to you shortly.

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