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    Sentry Security Services

    4.0 (1 review)

    Services - Sentry Security Services

    Security monitoring services

    Security system installation

    Security system repair

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    10 years ago

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    Calderon Electronics

    Calderon Electronics

    (2 reviews)

    Met with Jerry Calderon about a stereo installation I was planning on getting. Jerry talked me…read morethrough the options to get the high quality sound I was looking for. After not being able to find a double DIN dash conversion for my vehicle, Jerry personally custom wired harnesses by hand to install a brand new head unit. Jerry also fabricated a custom faceplate for me, converted my door speakers to a much higher quality sound output and wired in a rather large sub in my trunk. The entire time he sent me text updates and alerted me when he ran into issues, as well as photographs of his progress. Absolutely would and have recommended Jerry's business to my friends, you really get what you pay for with him!

    Stay far away from these guys. I brought a double din in for them to install in my 1.5 din…read moreFirebird. He quoted me between 200-300 dollars and I said that sounded kinda high but if he got everything working I'd be ok with it and he said yes definitely everything would function. Basically what he did was saw off some of the trim put an adapter on my old harness and plugged it into the double din, he then threw it in there and sawed the bezel up so it would go back on and stuffed styrofoam into the cracks. Any novice could have done what he did in less than an hour. He charged me the full 300 and had the audacity to charge an extra 40 bucks on top of that for parts. On top of thise...they got the rear speaker fades reversed and 3 of my mid range speakers had no power going to them. They didn't even know the head unit I brought in to install had steering wheel control built in. When I brought these matters to their attention they wanted to charge more to get what they promised in the first place. DIYers have documented jobs 100x better for less than $100 including the customized bezel that makes the unit look like it was factory. These guys are crooks and terrible at what they do. Kelly Medley 830-774-2086

    Sentry Security Services - securitysystems - Updated May 2026

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