The Sonance PS C83RWT is a purpose-built in-ceiling woofer designed to enhance low-frequency performance in distributed audio systems across commercial environments. Engineered with a focus on reliability, safety, and acoustic performance, the Sonance PS C83RWT delivers robust bass reinforcement while maintaining a discreet architectural presence. It integrates seamlessly into ceiling systems using a magnetic, bezel-less grille and offers compatibility with an optional square grille adapter to suit varied ceiling aesthetics. Housed within a sealed metal enclosure, the Sonance PS C83RWT is built for consistent acoustic output and mechanical durability. This design makes it particularly well-suited for applications in retail spaces, hospitality venues, conference facilities, and other public or commercial environments where audio quality and installation integrity are priorities. The inclusion of a removable Euroblock connector, cable clamping, and seismic attachment points ensures a secure and compliant installation. The Sonance PS C83RWT is fully certified under UL 1480 and UL 2043 standards, confirming its suitability for use in air-handling spaces and fire-rated ceilings. Its role in augmenting the bass response of full-range systems makes it a critical component for integrators seeking to deliver balanced and intelligible audio across large areas. With its professional-grade construction and application-specific design, the Sonance PS C83RWT supports dependable performance in demanding commercial audio installations.