JBL Ceiling Speaker Control 321CT White

Sale priceAED. 2,561.00



  • Powerful Audio Performance: The JBL Ceiling Speaker Control 321CT delivers impressive sound quality with its 90° conical, constant directivity coverage angle and high sensitivity of 94 dB (1 kHz - 16 kHz).
  • Wide Frequency Range: Enjoy a broad frequency response from 34 Hz to 18 kHz (-10dB) and 47 Hz to 16 kHz (±3 dB) for rich and detailed audio reproduction.
  • Reliable Power Rating: With an IEC Long-Term System Power Rating of 250 W continuous pink noise (1000 W peak), this speaker can handle demanding audio applications with ease.
  • Directivity Control: The Directivity Factor (Q) of 8.7 and Directivity Index (DI) of 9.4 dB (1k - 16kHz) ensure precise sound dispersion and consistent directivity.
  • Easy Integration: The JBL Ceiling Speaker Control 321CT features transformer taps for flexible power settings and a compact square baffle design for seamless integration into various environments.

Immersive Sound Experience

Upgrade your audio system with the JBL Ceiling Speaker Control 321CT. Designed to deliver powerful and immersive sound, this speaker is perfect for installations in commercial spaces, auditoriums, and theaters. With its precise directivity control and wide frequency range, you can enjoy clear and detailed audio at any listening position. The reliable power rating ensures consistent performance even during extended use, making it an excellent choice for professional applications.


Specification Value
Frequency Range (-10dB) 34 Hz – 18 kHz
Power Rating IEC Long-Term System Power Rating:
250 W continuous pink noise (1000 W peak), 2 hrs
200 W continuous pink noise (800 W peak), 100 hrs
Transformer Taps 68W, 34W, 17W, (& 8.5W @ 70V)
Frequency Response (±3 dB) 47 Hz – 16 kHz
Coverage Angle 90° conical, constant directivity
Directivity Factor (Q) 8.7 (1k - 16kHz)
Directivity Index (DI) 9.4 dB (1k - 16kHz)
Sensitivity 94 dB (1 kHz - 16 kHz)
Crossover Network 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF
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 240 mm (9.5 in)
Maximum SPL (1m) 118 dB (top 70V/100V tap)

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