JBL CONTROL 321CT | 12inch Coaxial Ceiling Loudspeaker with HF Compression Driver

The JBL CONTROL 321CT is the ultimate choice for professional sound enthusiasts seeking pristine audio reproduction and reliable performance. Designed specifically for ceiling mounting, this 12-inch coaxial loudspeaker delivers exceptional sound quality, making it perfect for a wide range of commercial and residential installations. The JBL CONTROL 321CT incorporates advanced technology to ensure clear, consistent sound dispersion, capturing every nuance of speech and music. Engineered for durability and high performance, this loudspeaker is a testament to JBL's commitment to innovation in audio engineering.

At the heart of the JBL CONTROL 321CT is a powerful 300 mm (12-inch) woofer with a Kevlar-reinforced cone and a 50 mm (2-inch) voice coil, paired with a 25 mm (1-inch) exit compression driver. This combination provides extraordinary clarity and extended frequency response, handling up to 250 watts of power for high SPL capability. Whether you're looking to enhance the sound experience in a theater, conference room, or retail environment, the CONTROL 321CT promises to deliver superior audio fidelity and a seamless listening experience. Its sleek, contemporary grille design ensures it blends effortlessly into any setting, while optional accessories like a backbox provide additional customization and installation flexibility.

Key Features

• Consistent 90° broadband pattern control
• 300 mm (12-inch) woofer with Kevlar-reinforced cone and 50 mm (2-inch) voice coil
• 25 mm (1-inch) exit compression driver
• Extraordinary clarity for speech and vocals with extended frequency response for music
• 250 Watt power handling with high sensitivity for high SPL capability
• Advanced high-slope crossover network for constant coverage and smooth, natural midrange
• Clean, contemporary grille design
• Optional backbox available for enhanced installation

Specifications

• Frequency Range (-10 dB): 34 Hz – 18 kHz
• Power Rating: 200 W (600 W peak), 100 hrs
• Taps: 70V: 68W, 34W, 17W, 8.5W; 100V: 68W, 34W, 17W
• Frequency Response (±3 dB): 47 Hz – 16 kHz
• Coverage Pattern: 90° conical, broadband (Avg 1k - 16kHz)
• Directivity Factor (Q): 8.7 (1k - 16kHz)
• Directivity Index (DI): 9.4 dB (1k - 16kHz)
• Sensitivity (2.83V@ 1m): 94 dB measured half-space; 99 dB computed for competitive comparison
• Crossover Network: 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF
• Dimensions (H x W x D): 366 x 366 mm (14.4 x 14.4 inches) square baffle x depth from back of baffle of 240 mm (9.5 inches)

Package Contents

• JBL CONTROL 321CT Loudspeaker
• Installation guide
• Mounting hardware
• Optional backbox (if selected)