This hardware allows you to install the speakers through a hidden access point behind its logo badge. As such, the Control 28-1 suitable for venues, health clubs, theme parks, cafes, or anywhere where foreground/background music—and paging—is a necessity. Designed by JBL, these Control 28-1 loudspeakers are two-way 8" indoor/outdoor monitors featuring weather-protected circuitry, natural and powerful representations of the frequency spectrum, black enclosures, and JBL's proprietary InvisiBall mounting hardware. Output Indoor/Outdoor Background/Foreground Speaker. Audio Channels & Output: 45 Hz to 20 kHz, 8 ohms. Dimensions: (H x W x D) 386 x 282 x 219 mm (15. 2 x 11. 1 x 8. 6 in); 277 mm (10. 9 in) deep total when mounted on InvisiBall wall-mount bracket. 8" Woven-Fiberglass LF Drivers. Zinc-Plated Grilles. Construction: Durable, Weatherized Enclosures, Screw Terminal. Good for Off-Axis Listening. Design: Wall Mountable, Black. Power Source: Electric. Warranty 1 Year. WARNING: Cancer and Reproductive Harm - www. P65Warnings. ca. gov