JBL Control 447HC 6.5 IN PREMIUM HC CEILING SPKR
Copper-clad aluminum voice coils and neodymium magnet assembly. Frequency Response (±3 dB): 72 Hz – 14 kHz. The 85° conical coverage angle andRBI™ (Radiation Boundary Integrator) technology ensure predictable, uniform sound dispersion that minimizes phase issues and dead zones typical of ceiling-mounted arrays.