The G12 CENTURY! Probably The Most Significant Development in Guitar Loudspeakers Since The "Legendary VOX BLUE" Designed With a Very Powerful Magnetic Material Called Neodymium. A 12" Replacement or Upgrade Speaker For The Serious Musician (Lead & Rhythm Player) And A Excellent Addition To DSP Modeling Amps. General Information: Weight: 5 lbs. Power Rating: 80 Watts Voice Coil Material: Round Copper Chassis Type: Pressed steel Magnet Type: Neodymium Voice Coil Diameter: 1 3/4" Nominal Impedance: 8 ohm Sensitivity:(dB) 102