Unique Nested Chamber™ design and Linear Dynamic Aperture™ port design delivers high output from a compact enclosure. JBL’s exclusive SonicGuard™ overload protection allows higher operational levels and improved system reliability. Component: Long excursion 200 mm (8 in) driver. Packaged with grille backcan and tile rails for fast installation and easy stocking. Simple installation and wire connection method. Frequency Range : 42 Hz - 200 Hz Power Capacity : 200 W Continuous Program Power Nominal Sensitivity : 95 dB SPL 1W @ 1 m (3.3 ft) in ceiling near corner (π/2) 89 dB SPL 1W @ 1 m (3.3 ft) in center of ceiling (2π) Nominal Coverage Angle : 180° conical coverage Rated Maximum SPL : 115 dB @ 1 m (3.3 ft) in ceiling near corner (π/2) Nominal Impedance : 8 ohms Low Frequency : 200 mm (8.0 in) Polypropelene cone. 38 mm (1.5 in) coil on aluminum former Enclosure Material : Backcan: Formed steel Baffle/Rim: Medium impact polystyrene fire rated UL94V-0 Overload Protection : Full-range power limiting to protect network and transducers. (On Control 19CS not on Control 19CST) Terminations : Removable locking connector with screw-down terminals. 2 input terminals and 2 loop-thru output terminals. Max. wire size 12 AWG (2.5 mm2) Safety Agency Rating : In accordance with IEC60849 / EN60849. Suitable for use in air handling spaces per U.L.-2043 U.L.-1480 NFPA90 NFPA70A. Outside Dimensions (H x Dia) : 345 x 345 mm (13.6 x 13.6 in) 318 mm (12.5 in) front of ceiling tile to back of backcan Cutout Size (H x W) : 305 mm (12.0 in) Net Weight (ea) : 5.5 kg (12 lb