Niles OS7.3 Black 7" 2-Way High Performance Indoor/Outdoor Loudspeakers - Pair (Black) Integrated Woofer/baffle Assembly Increases Cone Area To Provide Powerful Bass Output 7" Mica-filled Polypropylene Cone Is Extremely Rigid To Reduce Breakup And Lower Distortion Butyl Rubber Cone Surround Damps Resonance And Provides Exceptional Durability 1" UltraSilk Dome With Fluid-cooling And Ultra-wide Dispersion For Clear, Detailed And Extended High Frequencies Includes a PAIR of Niles OS7.3 Black 7" 2-Way High Performance Indoor/Outdoor Loudspeakers