Pair of multipurpose indoor/outdoor speakers in black for permanent or temporary outdoor use,Sensitivity: 86 dB * 50 watts of RMS power, with 100 watts of peak power * 4-inch woofer, 25mm poly cone midrange and 20mm Piezo dome tweeter * Wall-mountable, UV-treated ABS enclosure; mounting brackets included * Each speaker measures 8.25 x 5.25 x 5.25 inches (HxWxD); 1-year warranty