Product Description 5 paper cone treated woofer with 1 titanium tweeter built in two-way crossover network marine grade abs plastic enclosure bass reflex port for maximum bass response 50 oz magnet structure 150 oz magnet structure frequency response: 30hz - 22khz 4 ohm speaker impedance built-in spring loaded wall mounting options quick connect speaker terminals stainless steel mounting brackets grills and hardware included dimensions: 8.2w x 6.2h x 6.6d sold as: pair