Hand finished mineral dye process and flawless granite exterior provide a natural look. 2-way, 150 watt speaker that sets the industry standard for large residential and commercial applications. 8" woofer, 1" tweeter, 4 ohm impedance. Performance: 70 hz-19.5 kHz, 90.5 db. Dimensions: 14.5 X 17.25 X 17.75.