Cambridge Sound Management, LLC (CSM) is the developer of Qt Quiet Technology™ sound masking systems. CSM offers innovative, simple and intelligently designed solutions to the problems of privacy and acoustic distractions. Qt Quiet Technology combines exceptional audio performance, low impact installation, and affordability. Qt™ systems consume less power than a 40 watt light bulb per 180,000 square feet (16,723 m2) is GreenSpec listed and can contribute to your LEED Certification.
As the leading provider of products and systems for electrical installations and information networks wherever people live and work, Legrand delivers an unequaled depth and breadth of innovative solutions.