The JBL Control 19CST is a powerful in-ceiling subwoofer designed to extend low-frequency performance in distributed audio systems. Its 8-inch Kevlar-reinforced driver delivers deep, controlled bass while maintaining clarity and efficiency. Perfect for restaurants, retail spaces, and corporate installations, the 19CST integrates easily with other JBL Control Series speakers using built-in 70V/100V transformers. The backcan and grille are engineered for seamless architectural integration and long-term reliability.