Powerful all-weather speakers deliver clear sound 2-way speaker pair designed to let you take a wide range of sounds outside Speakers feature 6.5-inch polygraphite woofer and 1-inch soft dome tweeter White metal swivel mounting brackets 8 ohms 89dB, 1 watt/1 meter sensitivity 80Hz-20KHz frequency response 50-150 watts 8.5 lbs. each