Ceiling Tile Speaker, -, Overall Height (In.) 23 in, Overall Width (In.) 23 in, Overall Length (In.) 6 in, Enclosure Color White, Tweeter Dia. (In.) 3/4 in, Tweeter Composition Mylar(R), Woofer Dia. (In.) 8 in, Woofer Composition Polypropylene, 30 W Watt (RMS), Max. Wattage 60 W, Sensitivity (dB) 90 dB, Impedance (Ohms) 8 ohm, Transformer Settings -, Frequency Response 50Hz to 20,000Hz, Weight (Lbs.) 7.1 lb, Includes 2 Ft Drop Ceiling Crossbar Rail