Boston Acoustics Voyager VOYA5W 5.25-Inch 2-Way Outdoor Speakers (White) Recommended Amplifier Power: 15-100 Watts Frequency Response: 70Hz-20kHz 3500Hz Crossover Frequency Dimensions (w/o Brackets) (HWD): 11 1/4 X 8 1/4 X 7 In.