JBL CONTROL 328CT | 8inch Coaxial Ceiling Loudspeaker with HF Compression Driver

The JBL Control 328CT is a state-of-the-art 8-inch coaxial ceiling loudspeaker engineered for premium audio performance in both speech and music applications. With a combination of an 8-inch woofer featuring a Kevlar-reinforced cone and a 1-inch HF compression driver, this loudspeaker ensures extraordinary clarity and extended frequency response. Designed from the ground up, the Control 328CT provides consistent 120° broadband pattern control, making it an ideal choice for large spaces that require uniform sound distribution.

This ceiling loudspeaker integrates advanced technologies to deliver high power handling of up to 250 watts, enabling high SPL capability. Its contemporary grille design and optional backbox allow for seamless integration into modern interiors, while the advanced high-slope crossover network ensures smooth, natural midrange coverage. Whether you are looking to enhance a conference room, auditorium, or any public venue, the JBL Control 328CT stands out as a reliable and efficient audio solution.

Key Features

• Consistent 120° broadband pattern control covers an extremely large area
• Shaped mounting baffle provides the pattern control of a 12-inch horn from an 8-inch driver
• Components: 8-inch woofer with Kevlar-reinforced cone and 2-inch voice-coil, 1-inch exit compression driver
• Extraordinary clarity for speech and vocals with extended frequency response for music
• 250 Watt power handling with very high sensitivity provides high SPL capability
• Advanced high-slope crossover network for constant coverage and smooth, natural midrange
• Clean, contemporary grille and optional backbox available

Specifications

• Frequency Range (-10 dB): 45 Hz – 18 kHz
• Long-Term System Power Rating: 250 W (1000 W peak), 2 hrs; 150 W (600 W peak), 100 hrs
• Taps: 70V: 68W, 34W, 17W, 8.5W; 100V: 68W, 34W, 17W
• Frequency Response (±3 dB): 60Hz – 16 kHz
• Coverage Pattern: 120° conical, broadband
• Nominal Impedance (321C): 8 ohms
• Directivity Factor (Q): 7.0 (Avg 1k - 16kHz)
• Directivity Index (DI): 8.5dB (Avg 1k - 16kHz)
• Sensitivity (2.83V@ 1m): 93 dB measured half-space
• Maximum SPL: 118 dB cont ave (124 dB peak)
• Crossover Network: 1.9 kHz, 3rd order (18 dB/oct) high-pass plus conjugate
• Dimensions (H x W x D): 305 mm (12.0 in.) diameter round baffle x depth from back of baffle of 218 mm (8.6 in)

Package Contents

• JBL Control 328CT Speaker Unit
• Installation Manual
• Mounting Accessories