The Control 321C has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.

Frequency Range
(-10 dB) : 34 Hz – 18 kHz

Power Rating : 200 W (600 W peak), 100 hrs

Sensitivity (2.83V@ 1m) : 94 dB measured half-space
99 dB computed for competitive comparison

Frequency Response
(±3 dB) : 47 Hz – 16 kHz

Coverage Pattern : 90° conical, broadband
(Avg 1k - 16kHz)

Directivity Factor (Q) : 8.7 (1k - 16kHz)

Directivity Index (DI) : 9.4 dB (1k - 16kHz)

Crossover Network : 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to
HF, 2nd order low-pass to LF

Nominal Impedance : 8 ohms

Dimensions (H x W x D) : 366 x 366 mm (14.4 x 14.4 in)
square baffle x depth from
back of baffle of 223 mm (8.8 in)

• Extraordinary clarity for speech and vocals with extended frequency response for music
• Consistent 90° broadband pattern control
• 300 mm (12 in) woofer with Kevlar-reinforced cone with 50 mm (2 in) voice-coil
• 25 mm (1" exit) compression driver
• 250 Watt power handling with high sensitivity provides high SPL capability
• Advanced high-slope crossover network for constant coverage and smooth, natural midrange
• Clean, contemporary grille and optional backbox available