(2) New Rockville RVP15W8 2000 Watt 15" Pro Subwoofers 8 Ohm Raw Sub Woofers 15" 1000 Watt Raw Replacement Subwoofer. Power RMS: 500 Watts. Peak Power: 1000 Watts Fiber Reinforced Ultra Stiff Paper Composite Cone. Paper Composite Dust Cap, Expanded and Rolled Steel Basket. Accordion Cloth Surround Ultra Saturated, High BL Magnetic Motor Gap. 2.5" High Temperature CCAW High SPL Voice Coil, Linear Progressive Conex Spiders Dual Nickel Plated Banana Plug Terminals. Impedance : 8 Ohms, 51 oz Magnet Mounting Depth: 5.7" inches. Frequency Response: 25 Hz to 1.5 KHz. Sensitivity : 100dB @ 1w/1m (2) Rockville RVP15W8 15&#034; 2000W 8-Ohm Raw Subwoofers Rockville RVP15W8 15&#034; 1000 Watt Raw Replacement Subwoofer <span class="a-text-bold">Peak Power Handling : </span>2000 Watts (1000 Watts per Subwoofer) <span class="a-text-bold">RMS Power Handling : </span>1000 Watts (500 Watts per Subwoofer) Fiber Reinforced Ultra Stiff Paper Composite Cone Paper Composite Dust Cap Expanded and Rolled Steel Basket Accordion Cloth Surround Ultra Saturated, High BL Magnetic Motor Gap 2.5&#034; High Temperature CCAW High SPL Voice Coil Linear Progressive Conex Spiders Dual Nickel Plated Banana Plug Terminals <span class="a-text-bold">Impedance : </span>8 Ohms 51 oz Magnet Mounting Depth: 5.7&#034; inches Frequency Response: 25 Hz to 1.5 KHz <span class="a-text-bold">Sensitivity : </span>100dB @ 1w/1m REVC: 6.8 Ohm FO: 42.490 Hz SD: 855.300 sqCM BL: 13.989 TM QMS: 6.266 QES: 0.892 QTS: 0.781 NO: 1.260% SPLO: 100 dB VAS: 151.556 Ltr CMS: 145.897 uM/N KRM: 4.647 m Ohm ERM: 0.832 MMS: 96.166 g MMD: 81.783 g KXM: 38.000 m Ohm EXM: 0.6