ELM Video Technology designs and manufactures DMX and Midi products such as: mergers, wall switch controller, splitters (standard & optical isolated or Opto Iso), analyzers, testers, 0 to 10 volt analog converters, relay drivers, PWM (LED Dimmer) drivers, RS232 to DMX converter/controllers, and more. A variety of enclosure styles to choose from including: all aluminum stand alone units, desktop, 1RU (rack mount), 2RU modular, battery operated hand held units, or DIY PCB's. We also custom program for any specific functions or needs, contact us for more information. Great for studio environments, churches, theaters (or theatres), concert halls, and anywhere Midi and/or DMX 512 data is used.