Pair of 6 Inch 4 Ohm Pro Audio Replacement Drivers Model #: Seismic Audio - Quake-6_4Ohm-Pair Type: 6" Woofer/Speaker Power RMS: 50 Watts each Power Peak: 100 Watts each Frequency Response: 500-5K Hz Sensitivity: 95 db Magnet: 30 oz‚ Voice Coil: 1.5" Impedance: 4 ÂOhm Pressed Steel Chassis Paper cone Weight: 4 lbs each One year warranty Our Quake series of Replacement PA/DJ Speakers are the standard in Pro Audio woofers. These loudspeakers produce an awesome tone, with great lows and clear, clean highs. Uses include but are not limited to: Building your own speaker cabinet or Replacing an old woofer that just doesn't quite produce the sound you want anymore!