A maximum of 80 Watts of power can be run through the speakers at frequencies from 70Hz to 22kHz, providing powerful representation of the lower ranges as well as the mids and upper ranges. An OEM adapter plate allows for installation in most generic mounting spaces, and a Flex Fit Basket accommodates custom speaker positioning. A PEI dome tweeter works with the integrated crossover filter, eliminating the need for external black boxes. VAST Surround technology is used in these speakers, increasing the effective area. This speaker includes protective grilles.