Kicker 08S10L54 Solo-Baric 250mm 4-Ohm DVC Subwoofer-10-Inch 10-inch Solo-Baric L5 subwoofer Vacuum-formed, ultra-rigid design with vented 360-degree back bracing 450 Watts RMS (900 Watts peak) power handling with 4-ohm impedance 24-100 Hz frequency response One-year limited warranty