AUDIOPIPE TS-AR8 8" 300W Car Audio Power Subwoofer Sub MAX Power 300 Watt, RMS 150 Watt 4 Layer Single BASV Voice Coil, High Temperature Voice Coil Powdered Black Paint Steel Basket, Patented Audiopipe Multi Woven Tinsel Leads, Multi-Connect Terminal 4 Ohm Impedance, Sensitivity: 85 dB, 30 Oz. Magnet