Model number: GS-SUB5
System: 5" Mid-range car speakersWoofer: Titanium IMPPMagnet: Ferrite 8Oz Voice coil:25 mm ASV Surround edge: RubberFre.Res.:60-22K HzSensitivity:89dB/W/mImpedance: 4 ohmsRMS power:20 W