3' woven fiberglass cone woofer yields excellent low-end response 0.5' PEI-diaphragm tweeter with fluid cooling delivers great-sounding high frequencies 70Hz-20kHz frequency response for rich, high-fidelity sound Wide 100-degree x 100-degree coverage fills the entire area with sound Built-in InvisiBall hardware mounts almost anywhere Weather-resistant enclosure and transducers Contemporary design looks great anywhere