Pro Auto Sound and Security

About Us
Pro Autosound & Security of Billings, MT will put the bump in your trunk. We offer Montana's largest selection of car stereos, amplifiers, speakers, subwoofers, and much more. Our experienced and knowledgeable staff is here to provide you with excellent service you can count on. Stop by today and check out our showroom!

Since 1986, we've been providing quality auto alarm and remote start system sales and installation services to clients throughout the community. With over 27 years of experience, we have the most experienced installation staff in Montana.