Product Description

JBL Professional Control® 300 Large Format, In-Ceiling Loudspeakers are designed from the ground up to provide optimal performance for the most demanding installed sound applications. Thanks to the conical constant coverage waveguide design, Control 300 Series Loudspeakers feature exceptional broadband control ensuring extremely even coverage and remarkably consistent performance. The Control 321C/CT, 322C/CT, 328C/CT and 312CS represent the state of the art in in-ceiling loudspeaker systems design.

Control 321C - A coaxial design that features a 12” Kevlar- reinforced cone on the woofer coupled with JBL Professional’s 2412 Compression Driver. The Control 321CT offers the same driver compliment as the Control 321C but also includes a multi- tap transformer for use on 70V or 100V line distribution systems.

Control 322C - A coaxial design that also features a 12” Kevlar- reinforced cone on the woofer coupled with JBL Professional’s 2407H Compression Driver and offers higher power handling capabilities than Control 321 models. The Control 322CT offers the same driver compliment as the Control 322C but also includes a multi-tap transformer for use on 70V or 100V line distribution systems.

Control 328C - A smaller coaxial design that features a 8” Kevlar-reinforced cone on the woofer coupled with JBL Professional’s 2412 Compression Driver. The Control 328CT offers the same driver compliment as the Control 328C and but includes a multi-tap transformer for use on 70V or 100V line distribution systems.

Control 312C - An 8 ohm, 12” Kevlar-reinforced cone for extended bass requirements.

JBL Professional Control 300 Series 3

312CS, 300 Series, 328C, 322CT, 328CT specifications

JBL, a well-renowned name in the audio industry, has long been associated with innovation and superior sound quality. Among its impressive lineup, the JBL 321C, 321CT, 322C, 328CT, and 322CT stand out for their remarkable features, cutting-edge technologies, and versatile characteristics, ensuring an exceptional listening experience.

The JBL 321C is designed with a sleek, modern aesthetic, making it a stylish addition to any setting. This compact speaker delivers clear and balanced sound, thanks to its advanced driver technology and well-engineered acoustics. The inclusion of a high-frequency driver enhances the overall soundstage, providing crisp highs and detailed mid-range frequencies. This model is perfect for smaller spaces, ensuring that users still experience robust audio performance without overwhelming their environment.

Moving to the JBL 321CT, this variant introduces the convenience of a built-in transformer, making it suitable for commercial installations where efficient power usage is key. Like its counterpart, it boasts exceptional audio fidelity, ensuring that it can easily adapt to various applications, such as retail spaces or hospitality environments. Its reliability and sound quality make it a smart choice for professionals seeking a robust audio solution.

The JBL 322C and 322CT models further enhance this series by incorporating dual-speaker configurations. This design philosophy increases sound dispersion and volume output. With the 322C, users can expect a rich audio experience that fills larger rooms, making it ideal for home theaters and other entertainment spaces. Meanwhile, the 322CT expands functionality with its transformer setup, making it a prime choice for commercial use while delivering excellent sound quality.

Lastly, the JBL 328CT stands as a flagship option in the series. This model combines advanced technologies, such as a powerful woofer and an optimized high-frequency driver, to produce an impressive sound profile. It features an enhanced bass response, making it perfect for music enthusiasts who crave depth in their audio experience. The 328CT is designed for both home and professional environments, offering flexibility without compromising sound fidelity.

All these models emphasize JBL’s commitment to high-quality sound, reliability, and aesthetics. Their ability to deliver clarity across diverse music genres, combined with their versatility for both residential and commercial use, make the 321C, 321CT, 322C, 328CT, and 322CT exceptional choices for anyone looking to enhance their audio experience. Whether in a cozy living room or a bustling public venue, these speakers promise to deliver unparalleled sound quality that embodies the true essence of JBL's audio legacy.