Subwoofer Basics:, Size: 5"" x 7"", Total Power: 225 Watts, Performance:, Frequency Response: 100 Hz to 18 Hz, Total Power: 225 Watts, SPL (1 Watt / 1 Meter): 90 dB, Voice Coil and Cone:, Voice Coil Material: Aluminum, Basket Structure: Stamped, Cone Material: Poly Injection, Number of Magnets: 1, Components:, Number of Tweeters: 1, Tweeter 1: Size: 1""; Material: Polyimide Dome, Physical:, Dimensions: 2, 99"" x 8, 65"" x 5, 47"", Mounting Hole Depth: 2, 0625"", Quantity in the Box: 2, SKU: WHSL1720