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Johnson SystemsJOHNSON SYSTEMS INC. (JSI)  is a designer and manufacturer of entertainment and architectural lighting control products and systems. Our equipment installations reach globally into television studios, theatres, churches, convention centers, hotels, educational facilities, museums and theme parks. Products range from state-of-the-art LED dimming, power distribution, and architectural control solutions to the widest range of retrofit dimming and control equipment available for existing installations. Our growing range of visionary products and in-depth integration experience offer resourceful professionals unique products and solutions with unsurpassed value!

JSI 2021 Product Catalog
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2021 JSI Catalog!

JOHNSON SYSTEMS INC. (JSI)  —  Keeping the Lights On Since 1987!

"Visionary Products For Resourceful Professionals."

Johnson Systems Inc. Quicklinks
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Presidor™ Lighting Controls
LED Dimmers & Relay Racks
Retrofit LED Dimmer Modules
Plug & Play CD80 Power Modules Quicklinks Quicklinks
Retrofit Non-Dim Relay Modules
Conventional DMX Dimmers & Relays
Retrofit Control Systems
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DMX Products
XLR Connectors & Receptacle Plates
Parts & Support
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Discontinued Products



JSI products and boxed goods may be sold factory direct in geographical locations without supporting dealers. In territories with JSI dealer representation, all leads and inquiries are referred to the appropriate dealer(s).
New dealer inquiries welcome!

ESTAOur membership to PLAZA/ESTA symbolizes our commitment to professionalism and our industry. ETL listedJohnson Systems Inc. products are ETL listed and comply fully with UL508 and CSA22.2 electrical safety approvals. USITT JSI Facebook JSI YouTube Channel