Rugged Plastic Enclosure – 5.25” Long Throw Woofer w/ 40oz Magnet – 1/2” Polyamide Dome Tweeter – 125 Watts RMS/250 Watts Power – Frequency Response: 85Hz-20KHz – Average Sensitivity: 92dB @ 1W/1M – 8 Ohm Impedance – Spring Loaded U Mounting Brackets Included – 30 Watt 70V Transformer – Tapping at: 7.5W, 15W and 30W – Indoor/Outdoor Equalization Switch – Dimensions: 7-1/8”W x 9-7/8”H x 5-3/4”D