15" LF driver, 1.4" HF compression driver.  500W PGM, 1000W Peak.  Calculated max 126dB SPL.
The CBR Series is a new lineup of passive loudSpeakers developed by adopting the extensive knowledge of Speaker designand acoustic technologies that Yamaha has accrued over a long and storied history of making Speakers of every kind.Combining a meticulous materials selection process, thorough customization of the audio components, and a fresh, innovativea.pproach to Speaker design, our engineering Team's primary focus was to deliver high-power, high-definition sound in a highlyportable and versatile design that is equally at home in front-of-house, floor monitoring, or rigged configurations.- Custom Designed Transducers and Wide-Dispersion Constant Directivity Horn for Powerful High-Definition Sound- HF Protection Function and Highly Responsive LF Unit for Reliable Performance at Any Output Level- Rugged, Highly Portable Enclosure Design- Simple Connectivity- Versatility for a Variety of Applications.
The CBR15 provides the lowest frequency in its lineup, delivering outstanding performance for the front-of-house sound for live performance, DJ events or for installation situations that require highly prominent low and high SPL.