PA Weatherproof Speaker, Contractor Series, Impedance (Ohms) 8 ohm, 0.1 W, 0.4 W, 0.6 W, 1.3 W, 5 W, 10 W Power Taps @ 25V, 1 W, 3 W, 5 W, 10 W Power Taps @ 75V, For Use With PA Amplifiers, Includes Mounting Bracket