The Sonance PS C63RT is a high-performance in-ceiling speaker developed to meet the demands of commercial environments that require precise sound distribution, reliable performance, and compliance with industry standards. Purpose-built for integration into audio systems across corporate, retail, education, and hospitality sectors, the Sonance PS C63RT offers a practical solution for clear, intelligible audio in ceiling-based installations. Its discreet architectural design, supported by a bezel-less magnetic grille and optional square adaptor, allows it to blend effectively into a variety of ceiling finishes, while maintaining a professional aesthetic. Engineered with a high-excursion 6.5 inch woofer and a pivoting tweeter, the speaker delivers optimised sound coverage, making it suitable for both background music and voice reinforcement applications. The Sonance PS C63RT is housed within a sealed metal enclosure that supports commercial installation requirements, including cable clamping, seismic restraint options, and a removable Euroblock connector for simplified wiring. With UL 1480 and UL 2043 certifications, it is approved for use in fire-rated ceilings and air handling spaces, ensuring safety compliance in line with commercial building codes. The Sonance PS C63RT is a reliable component within distributed audio systems, offering consistent acoustic performance, ease of installation, and long-term operational stability in demanding installation environments.