Quake 18" Steel Frame Subwoofer Driver - 8 Ohm

18" Steel Replacement Subwoofer Driver Model #: Seismic Audio - Quake 18 Type: 18" Woofer/Speaker Power RMS: 500 Watts Power Peak: 1000 Watts Frequency Response: 35-3K Hz Sensitivity: 97 db Magnet: 90 oz‚  Voice Coil: 3" Impedance: 8 Ohm Pressed Steel Chassis Paper cone Weight: 23 lbs each This speaker is brand new. One year warranty‚  You will receive 1 speaker pictured and described above. Each woofer has the specs listed above. These produce an awesome tone, with great lows and clear, clean highs. Uses include, but are not limited to: Build your own speaker cabinet Replace old woofer