Light Weight, High Powered 15" Active Speaker 12" heavy-duty woofer delivers chest-thumping low end RX 14 compression driver with 1.4" titanium diaphragm delivers smooth high-end response Ultra-reliable fan-cooled power amps with DDT compression Patented Quadratic Throat Waveguide technology, 150 by 50-degree coverage Asymmetrical horn aims the sound down to 10 degrees