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Sound in Motion Auto Audio & Video ·$$$

Sound in Motion (a.k.a. SiM) is a renowned shop specializing in sales and installations of High Performance Car Audio systems, as well as Radar / Laser Detectors, Cameras, Video, Multimedia, Navigation, Alarms and Remote Car Starters. With over 100 years of combined experience, Sound in Motion is one of the most recognized Mobile Electronics Specialty Retailers in the nation.

Website: sound-in-motion.com

Phone: (617) 787-7744

Cross Streets: Near the intersection of Elm St and Chadbourne Ter

Closed now

  • Mon 8:30 AM - 5:00 PM

120 Elm St Watertown, MA 02472 ·532.53 mi

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Reviews

yelp
5.0 68 reviews
5 star
62 4 star
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0 1 star
2
W. C. 06/05/26

Sound in Motion is the best! I have nothing but great things to say about them. I recently had a state-of-the-art BlackVue dash cam installed in my car by Sound in Motion. While I normally spend...

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Raja K. 06/14/26

Amazing shop to work with. Really the entire crew is friendly and passionate about what they do. I've brought multiple vehicles here. The work is flawless. They fixed the audio in my vehicle...

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Robert F. 08/28/25

I bought a car camera with installation from them - which was excellent quality and functionality. They completed the fast and neatly and were generous with their time in showing me how to use it...

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Nick N. 03/03/25

When I was diagnosed with ALS a few years ago and lost mobility and speech, music became even more central to my life. One of the few pleasures that I could fully experience. We got a ramp van...

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Rachel Q E. 07/14/25

I had Apple CarPlay installed in my 2017 Lexus RX 350. The team at Sound in Motion are great to work with, and I would highly recommend updating the infotainment system if you have an older car.

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