JBL 12-inch 250W Co-axial Ceiling Speaker with Professional Sound Performance, Model Control 321C

JBL 12-inch 250W Co-axial Ceiling Speaker with Professional Sound Performance, Model Control 321C

• The JBL Control 321C ceiling speakers are designed to deliver exceptional next-generation audio performance in professional ceiling audio systems.
• This speaker combines power and precision, featuring a 12-inch Kevlar-reinforced woofer to deliver a rich low-frequency response, with a 1-inch high-frequency compression driver that gives superior sound clarity across all ranges.
• A ceiling speaker is an ideal choice for projects that require clear, balanced, professional sound, such as mosques, theaters, shopping malls, grand halls, and modern office buildings.
• Thanks to its high power output of up to 250 watts RMS (1000 watts peak), the speaker delivers powerful sound with accurate 90° coverage without any loss of detail or distortion.

Technical description:

• The Control 321C ceiling speakers are built on an advanced engineering basis with Coaxial Point Source Design technology that ensures consistent acoustic direction and even distribution.
• It features a high-gradient, stepped crossover system that provides a consistent frequency response between low and high frequencies, delivering a natural and balanced sound in all conditions.
• It is also designed to work in perfect harmony with the JBL MTC-300BB12 rear enclosure, enhancing audio performance in ceiling applications.
• The robust metal frame with a modern, paintable white finish makes it suitable for various interior designs.

Technical specifications:

• Type: Professional Coaxial Ceiling Loudspeaker
• Size: 12 inches (300 mm)
• Electrical power: 250W continuous / 1000W peak
• Frequency range (-3 dB): 47 Hz – 16 kHz
• Frequency range (-10 dB): 34 Hz – 18 kHz
• Sensitivity: 94 dB (1 W/1 m)
• Coverage angle: 90° Conical Constant Directivity
• Maximum sound pressure (SPL): 118 dB continuous / 124 dB peak
• Nominal impedance: 5.6 ohms
• Crossover system: 1.8 kHz, 18 dB/octave for high pass, and 12 dB/octave for low pass
• Headphone components:
• LF: 12-inch Kevlar Cone with a 2-inch voice coil
• HF: 1 inch (25 mm) compression driver
• Dimensions: 366 x 366 x 223 mm (14.4 x 14.4 x 8.8 inches)
• Required roof opening: 378 x 378 mm (14.9 x 14.9 inches)
• Color: Paintable white
• Indoor use: Yes, with the MTC-300BB12 back cover
• Certifications: UL1480 / UL2043 / NFPA90 / IEC60849

Key features:

• High operating power of 250 watts RMS to cover large areas with balanced sound power.
• A 90° coverage angle provides uniform and accurate distribution in all directions.
• The 12-inch Kevlar woofer delivers deep, powerful bass.
• 1-inch high-frequency compression driver for clear and crisp sound.
• Advanced crossover ensures a perfect balance between frequency bands.
• Professional metal design with a stylish, paintable front grille.
• Fully compatible with JBL accessories such as the MTC-300BB12 and MTC-300T150.
• High durability for long and continuous use in commercial and institutional environments.

Product summary:

• A ceiling speaker is offered The JBL Control 321C is a perfect combination of clarity, power, and accurate coverage, making it one of the best ceiling speakers in its class.
• Whether you use them in sound systems for mosques, halls, or commercial establishments, they provide a rich, balanced sound that suits both music and speech with the same high quality.
• It is designed to deliver robust and stable audio performance even in large and complex applications.

Additional features:

• Full compatibility with 70V/100V conversion system using the optional MTC-300T150 converter.
• Compatible with MTC-300SG12 metal mesh for aesthetic integration with modern ceilings.
• A robust, resonant-resistant metal structure to ensure distortion-free sound.
• Suitable for use with advanced central sound systems.
• It can be easily installed in suspended ceilings using the optional back box.

Applications used for the product:

• Mosques and places of worship.
• Theaters and conference halls.
• Shopping centers and large malls.
• Universities and schools.
• Government offices and facilities.
• Hotel halls and event venues.

Summary and final advice:

• If you are looking for a professional 250W 12-inch ceiling speaker that delivers accurate sound coverage and powerful bass performance, the JBL Control 321C ceiling speaker is the perfect choice.
• Thanks to its advanced JBL coaxial design, this speaker gives you a balanced and continuous audio experience, making it suitable for all medium and large audio projects that require unparalleled professional performance.

Detailed product data (Data Sheet).