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    Stereo USA Plus

    4.1 (416 reviews)
    Open 9:00 am - 7:00 pm

    Services - Stereo USA Plus

    Auto electronics installation

    Auto electronics repair

    Auto security

    Stereo USA Plus Photos

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    Recommended Reviews - Stereo USA Plus

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    Awesome guy . Needed some connections for my Isolator he hook me up . Thanks again . Good service and awesome help.
    Oscar M.

    Needed some connectors to relocate my isolater. Hook me up . Thanks for the help and awesome customer service.

    cool stuff
    Michael L.

    very appreciative of the generosity of this owner swing by and upgrade your stock radio for something special for the days stuck in traffic

    Really good business willing to discuss prices and how to help set up the system very helpful thank you and i recommend this shop

    Stereo USA Plus
    Tony R.

    Amazing and quick service! Helped my find what I needed at a great price. Thanks again!

    They gave me their business card.
    Luis H.

    I have nothing but gratitude to offer to the owners/operators of Stereo USA in Covina. While I was completing my own installation of an LED kit for my 2020 Nissan Kicks I needed to buy T-taps. The store Harbor Freight did not have the right size in stock. I walked to their shop, asking if I could buy some T-taps from them. The owner very graciously said, "You can have for FREE. How may you need". I was excited since I did not have to wait to order online or wait for the delivery. These guys gave me, for free, plenty of T-taps that helped me get my installation completed. I offered to pay them in cash, they said, "No, save it". A wonderful, compassionate way to help a human being in need. Receive much thankfulness and gratitude from my heart to yours, Stereo USA Plus, may you enjoy much health, success, and happiness. Thank you !!

    Rear Pods
    SIMON B.

    Second time back and the boys continue to amaze me with their amazing service! From my Can am to my classic truck Stereo USA does not disappoint!

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    1 year ago

    Great place! very nice guy! he always hooks it up and gives great deals and prices. definitely worth your time to check out.

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    7 months ago

    Amazing people with good prices and good work was done to my truck will definitely recommend people to this place.

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    7 months ago

    There are so nice in very helpful I would recommend people come here to get system installed or shop for stereos

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    3 years ago

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    Paul B.

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    8 months ago

    Great customer service, very friendly staff , fast and reliable service. Quality product with warranty

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    8 months ago

    Amazing service and great customer service. Definitely coming back and recommend getting work done here.

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    1 year ago

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    8 months ago

    Very happy with the service that my husband received today! Highly recommend and will be returning.

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    8 months ago

    Super dope owner and very good quality work super fast and very great prices for everything your steel needs!

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    8 months ago

    These guys have the Best Prices, and are very quick and easy with the best quality items, and have the best customer service

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    1 year ago

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    8 months ago

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    10 months ago

    I took my car to get it fixed because my amplifier stopped getting power, they fixed it under 30min really great service.

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    2 years ago

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    Paul B.

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    1 year ago

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    11 months ago

    Alarm was malfunctioning & they took care of it fast!! Great Service!! And as a Business Owner I appreciate that

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    1 year ago

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    1 year ago

    Best prices shopped around and he is honest and a more than reasonable person very nice

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    1 year ago

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    2 years ago

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    Paul B.

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    3 years ago

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    Paul B.

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    2 years ago

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    Paul B.

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    1 year ago

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    1 year ago

    Great service at the stereo shop! Knowledgeable staff and quick installation. Highly recommend!

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    1 year ago

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    1 year ago

    Very good people amazing work I will definitely come back. I recommend people to come here

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    2 years ago

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    Paul B.

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    2 years ago

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    Paul B.

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    2 years ago

    Thank Moe for your service, excellent I recommend to everyone he help me out very good customer service appreciate it moe

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    Paul B.

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    1 year ago

    Service and quality is amazing very good prices, very easy to work with and helpful. Very clean inside aswell.

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    1 year ago

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    Page 2 of 11

    Ask the Community - Stereo USA Plus

    Review Highlights - Stereo USA Plus

    I was shopping around for an audio system that best fit my needs, I spoke with Anthony and this dude is THE MAN!

    Mentioned in 73 reviews

    Read more highlights

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    Custom Audio Designs

    Custom Audio Designs

    4.9
    (147 reviews)

    Henry & Art were very helpful. They squeezed me in a hour before they closed. Art said it would…read moretake a hour to install front & rear dash cams but it was maybe 30 minutes. Art showed me the features of the camera as well. Will definitely come back for future installs.

    I need someone to help with an installed and went on Yelp in the walnut area and found custom audio…read moredesigns with their great reviews and though I give it a try. I needed to install the dashboard screen (aftermarket head unit) installed for my parents' Honda Civic and found Custom Audio Design through Yelp. After reading the reviews, I decided to give them a try and I'm really glad I did. Art and his team were incredibly helpful from start to finish. He provided a free estimate upfront and clearly explained the options, pricing, and what would work best for our car no pressure, just honest guidance. The installation itself was smooth and professionally done, and the new system works great. What really stood out was the level of service after the install. My parents had a bit of a learning curve with the new screen, and Art took the time to patiently walk them through everything until they felt comfortable. In terms of value, I felt the pricing was fair for the quality of work, clean install, and customer service we received. It didn't feel like a rushed job they actually care about doing it right and making sure you leave confident using your system. Overall, a great experience. Everything is working perfectly thanks to Art and his team. I would definitely come back and highly recommend them to anyone looking for car audio or dashboard upgrades.

    Stereo USA Plus - stereo_installation - Updated July 2026

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