PA Weatherproof Speaker, -, Overall Height (In.) 8 in, Overall Width (In.) 8 in, Overall Length (In.) 9 in, Enclosure Color Gray, Enclosure Material Aluminum, 15 W Watt (RMS), Max. Wattage 30 W, Sensitivity (dB) 105 dB, Impedance (Ohms) 8 ohm, Transformer Settings 70/25V, 15 W/10 W/5 W/3 W/1 W Power Taps @ 25V, 15 W/10 W/3.7 W/1.9 W/1.3 W/0.6 W/0.4 W/0.1 W Power Taps @ 75V, Frequency Response 450Hz to 15,000Hz, Weight (Lbs.) 3.2 lb, For Use With Line Transformer