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JBL CONTROL 19CST Ceiling Subwoofer The JBL CONTROL 19CST is a premium ceiling-mounted subwoofer designed for commercial sound applications. It delivers powerful, distortion-free bass while maintaining a discreet, low-profile presence, ideal for restaurants, retail stores, conference rooms, and other professional environments. Key Features 8-inch subwoofer with extended low-frequency response JBL's proprietary Nested Chamber design for consistent sound quality Durable large voice coil for distortion-free bass reproduction Built-in 70V/100V transformer for versatile multi-speaker distributed systems Flush ceiling mounting with secure casing and white paintable grille Highly efficient, enhances bass impact in full-range audio systems Robust construction for reliable, long-term commercial use Specifications Driver Size: 8 inches Transformer: Built-in 70V/100V Design: Ceiling-mounted subwoofer with Nested Chamber technology Finish: White paintable grille Overview The JBL CONTROL 19CST subwoofer is engineered to deliver rich, deep bass without overwhelming other frequencies, making it perfect for distributed commercial audio systems. Its low-profile design blends seamlessly into ceilings, providing superior audio quality without visible, bulky hardware. Easy to install and highly reliable, it is a trusted choice for professional audio integrators and facility managers seeking balanced, immersive sound in commercial spaces.