Chief CMA640W Decorative Ring, CMS / CPA Fixed / Inner Adjustable Column, 1.9" ID, White

Hide ceiling cutouts and present a polished, professional installation with the Chief by Legrand CMA640W decorative trim ring. Designed for projector mounting columns, this mounting ring covers the hole where a fixed CMS or CPA extension column passes through a suspended ceiling tile, delivering a finished look that complements AV, security and surveillance environments. The hinged trim ring opens for straightforward installation or retrofit, saving installer time and minimizing downtime for critical monitoring rooms and conference spaces.

With a 1.91-inch inner diameter and a 3.6-inch outer profile, the CMA640W provides a discreet, low-profile solution that conceals gaps while maintaining access to the column when needed. The white finish matches standard ceiling tiles for seamless integration into existing deployments. Built for professional AV and projector accessory applications, this trim ring helps maintain a tidy, tamper-resistant appearance in security monitoring, surveillance control rooms and corporate installations. Order the Chief CMA640W trim ring to streamline installs and achieve a clean ceiling finish in your next projector or surveillance deployment.

• Provides a clean, professional finish by concealing ceiling cutouts where projector extension columns pass through, improving aesthetics in AV, security and surveillance spaces
• Hinged design opens for fast installation or retrofit, reducing labor time on site
• Compatible with fixed CMS and CPA extension columns to simplify specification and inventory needs
• Slim 1.91-inch inner diameter and 3.6-inch outer profile blends with standard ceiling tiles for a low-profile appearance
• White finish matches common ceiling grids for unobtrusive integration in monitoring, conference and classroom environments