The Control 24CT-BK is a compact ceiling speaker designed for background, foreground, and music-plus-paging audio systems. It features high power handling, a wide frequency response, and low distortion, making it suitable for use in environments such as offices, airports, restaurants, and retail stores. The speaker is engineered to deliver consistent sound coverage appropriate for ceiling-mounted loudspeaker installations.

• Coaxial 100 mm (4 in) woofer with butyl rubber surround and 19 mm (¾ in) titanium-coated diffraction-loaded tweeter
• High power, wide frequency response, low distortion for high sound levels
• Wide coverage reduces number of speakers needed
• Includes grille, backcan, and tile rails for quick installation
• Black baffle and grille suitable for black and dark ceilings

Frequency Range	80 Hz - 20 kHz
Transformer Taps	70V: 30W, 15W, 7.5W, 3.7W
Coverage Angle	130° conical
Directivity Factor (Q)	2.4 dB averaged 500 Hz to 4 kHz
Directivity Index (DI)	3.8 dB averaged 500 Hz to 4 kHz
Maximum SPL (1m)	102 dB (top 70V/100V tap)
Nominal Impedance	16 ohms (Min Z 16.1 ohms @ 320 Hz)
Sensitivity	86 dB (100 Hz - 10 kHz)
Input Connectors	Removable 4-pin locking connector with screw-down terminals
Safety Agency	UL1480, UL2043, NFPA90, NFPA 70 compliant; UL Listed Signaling Speaker; Transformer UL registered per UL1876; compliant with IEC60849/EN60849
Plenum Usage	Yes, backcan included