Magnum Opus 1680 highway 93 N. Victor, MT 59875 US

(406) 544-4988

Magnum Opus



LED Lighting: A Bright Choice For Any Environment

Magnum Opus offers a complete menu of options for all your home and commercial LED/custom lighting need. From a simple LED stair guide for a home theater, to an elaborate LED system for retail or restaurant spaces.

Announce coming events

Having a big sale, on-site celebrity, or other event? Be sure to announce it so everybody knows and gets excited about it.

Display real testimonials

Are your customers raving about you on social media? Share their great stories to help turn potential customers into loyal ones.

Promote current deals

Running a holiday sale or weekly special? Definitely promote it here to get customers excited about getting a sweet deal.

Share the big news

Have you opened a new location, redesigned your shop, or added a new product or service? Don't keep it to yourself, let folks know.

Display their FAQs

Customers have questions, you have answers. Display the most frequently asked questions, so everybody benefits.

About Us

Free installation of Sonos Wireless surround sound systems.

 Magnum Opus has been servicing clients for almost 20 years. We keep our clients up to date with the latest technology and time saving lifestyle enhancements through automation.

Magnum Opus is a custom audio video installation company that services commercial and residential clients. Services include complete design, installation, service and products for; audio, video, home theater, home and business automation, lighting control, landscape lighting, surveillance, access control, video conference and networking systems.



Contact Us

Request a Quote or Free Consultation

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Better yet, see us in person!

Free consultations are available by appointment only.

We do stock wireless surround sound and home theater products.  

Please email us or call to setup a time to enhance the audio video in your space

Magnum Opus

Magnum Opus 1680 highway 93 N. Victor, MT 59875 US

(406) 544-4988



9:00 am – 5:00 pm


9:00 am – 5:00 pm


9:00 am – 5:00 pm


9:00 am – 5:00 pm


9:00 am – 5:00 pm