Features: high impact polypropylene composite cabinet, completely weatherproofed cabinet dimensions: 8 h x 5 1/2 w x 4 1/2 d weatherproof soft dome tweeter sensitivity: 88 db 1 watt/1 meter power handling: 30 watts rms, 60 watts maximum frequency range: 130-20,000 hz impedance: 8 ohms speaker systems contain: 4 10 ounce mylar cone woofer with high temperature voice coil and a high efficiency includes adjustable mounting brackets packaged and sold in pairs