DTI Car Audio DTIDW1280DVC 12-Inch High Power Subwoofer with Dual Voice Coil 2000 Watts Max Power, Frequency Response: 25 Hz-1.5kHz Dual 2.5" High Temperature Aluminum Voice Coil, Electroplate Injection Cone Sensitivity: 95 dB, Impedance Dual 4 Ohm, Butyl Rubber Surround; Die cast Aluminum Basket Mounting Depth:8-1/2"