Pack of (4) 10-inch subwoofers deliver a strong audio impact to provide the massive sound you desire; Includes 1000-watt MAX and 500-watt RMS power Sound generated by dual 4-ohm impedance and a 2-inch, 4-layer dual voice coil with a 50-ounce magnet Non-pressed paper cone, non-fatiguing rubber suspension, and specially treated foam surround boost your powerful bass Black plastic basket provides a lightweight, sturdy build; Spring-loaded push-down speaker terminals