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.
Our formula for success is based on customer service and National Gypsums quest to provide products meeting its customers highest standards. To do this, the company has created the most advanced customer service organization in the industry, updated plants and built modern manufacturing facilities, applied advanced technology to improve product quality, and put increased emphasis on innovation.
Manufacturing cementitious wood fiber acoustical products for over 50 years.