The JBL's CONTROL 24CT ceiling speaker has a high power output, a wide frequency response, and low distortion. Because of the 130° coverage pattern, fewer speakers are required to provide consistent sound levels throughout an area. A coaxially placed 4" woofer with butyl rubber surround and 0.75" titanium coated diffraction-loaded tweeter make up the Control 24CT. This public address system comes with a 30W multitap transformer that may be used with distributed-line systems running on either 70V or 100V. A rotary switch on the front panel selects the taps. Overload is not a worry because the transformer effectively restricts the power to the speaker.