- 8" Weatherproof PA speaker has a 70/25 volt line transformer - 25 volt line wattage taps for 15, 10, and 3.7 watts - 70 volt line wattage taps for 15, 10, 5, 3, and 1 watts - Frequency response of 250 to 15 kHz with a sensitivity of 15 watt nom/30 watt maximum - Mounting bracket is included - SPCSPC15T