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21 Car Audio

5.0 (1 review)
Open 9:30 am - 7:00 pm

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Services - 21 Car Audio

Auto electronics installation

Auto electronics repair

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Sun Valley Stereo

Sun Valley Stereo

4.8
(288 reviews)
$$

Sun Valley has a great business model! Now I know why they are booked out so far in the future…read more Competitive pricing. Outstanding installation of my powered subwoofer. They could've cut corners but didn't. John , the installer, deserve a shout out. - he is a pro Excellent example of a small business doing it right.

The technician created a basic workaround to get my DS18 BTC-Five Bluetooth receiver working via…read moreaux, but the setup was incomplete and poorly wired. After the install: I lost power to my 12V lighter socket, so I couldn't charge my phone. He mostly likely tapped into the same circuit as the lighter socket, causing power loss (Yeah. He didn't warn me about that before the install!) The audio was also making intermittent Bluetooth pairing failures. I would be driving and then music would stop and start again. Bluetooth phone calls stopped working--only music streamed. The install skipped key components I provided, including the fuse tap, LOC, and amp integration What I learned--and what others should know: The 3.5mm aux jack on the BTC-Five is audio-only and doesn't support calls To restore full functionality, the fuse tap must be moved to a different ACC slot so the lighter circuit isn't interrupted. For Bluetooth calls, you need to use the BTC-Five's RCA outputs and route them through a head unit or amp that supports hands-free calling. If I had known all this upfront, I probably would've skipped the install entirely and just kept using my regular USB-C to 3.5mm Audio Aux Cable Adapter. It was simpler, reliable, and didn't disable anything in my car. No wonder the guy had a weird vibe! I would have given them 5 stars if they had wired correctly, but the job was rushed and sloppy. He didn't create a solution. He created a problem! Now I'm going to have to get my brother to help me fix this. He said the tech most likely installed the tap with only one fuse (for the BTC-Five). Or inserted it backwards, cutting off power to the original circuit. Or used a single-slot tap, which reroutes power entirely to the new device. This experience taught me how to reclaim my install and turn shortcuts into teachable upgrades. If you're integrating amps or planning full audio control, skip the aux hack and wire it properly. I wasn't impressed with this install. What a total waste of money!!!!!!

Custom Car Concepts

Custom Car Concepts

4.7
(110 reviews)

I had a new stereo installed in my car by someone I knew. The unit was designed specifically for my…read morevehicle and included Bluetooth, GPS, and a backup camera. Unfortunately, after the installation, I discovered that most of it wasn't working correctly. The backup camera wasn't connected at all, and when I reached out for help, the installer stopped responding. At that point, I was out the money I had paid--including a tip--and had to find someone else to fix it before moving across the country. One of the main reasons I purchased this system was for safety during my cross-country drive. Since the Bluetooth phone connection wasn't working, I was forced to hold my phone against my chest under my seatbelt while driving--not safe and certainly not legal. To make matters worse, several installers refused to even look at my Android-based unit. They told me those systems are usually installed incorrectly and rarely work properly. Thankfully, they were wrong. I took my car to Custom Car Concepts, and from the moment I arrived, the experience was completely different. Mike got me in right away, properly installed the backup camera, and made sure everything else was working exactly as it should. Did I have to pay to have it fixed? Of course. But the price was more than reasonable, and the work was completed quickly and professionally. To say I was impressed--and relieved--would be an understatement. This is absolutely the place to go if you need car audio or electronics work done correctly. I can't thank Mike and the team enough for helping me out when I really needed it.

Custom Car Concepts installed dash cam for me and the installation was done so professionally,…read moreeveryone thinks it was factory installed! These guys are the Best in my opinion. Don't hesitate to call them. They are reasonably priced, very friendly, and work with their clients to be sure everything is perfect.

21 Car Audio - stereo_installation - Updated July 2026

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