car power subwoofer 12" , Subwoofer, Speaker, Loudspeaker Model No.ST-2204SWA, 1.cone: pp Car power subwoofer 12" st-2204swa.Description st-2204swaItemSubwooferLoadSealed or PortedConePPSurroundFoamVoice Coil50mm 2”)Magnet133mm (43oz)TerminalScrew nutsImpedance4 OhmsFrequency Response (+/- 3dB)32~ 1000HzSensitivity (2.83v/1m)89dBNominal Power (RMS)300WSize12” 12'' car power subwoofer