60W RMS Black polypropylene cone UV-resistant rubber surround High-performance titanium dome tweeter Rubber tweeter stalk ring for weather and dust resistance Black stamped steel basket with perimeter venting Sold as pairs Grilles included 2.5" Mounting depth Sundown continues its tradition of innovation with the affordable E-Series coaxial speakers. Designed for both audiophiles and enthusiasts, these speakers provide crisp highs, rich mids, and deep, impactful bass, delivering the quality expected of SPL champions. The E-Series drivers feature a damped titanium tweeter and a polypropylene cone to ensure smooth response. The speakers also use a rubber surround to provide extremely linear excursion for smooth, natural sound. To prevent dust and moisture from affecting motor movement, a rubber sealing ring has been added to the tweeter stalk. Additionally, the custom-tooled, vented steel frame ensures outstanding thermal control, allowing for extended, high-volume use.