Rated Power Handling: 225 WattsProgram Power: 450 WattsSensitivity 2.83V @ 1M: 93 dBFrequency Range @ -10Db: 72-4,000 HzResonance Frequency (Fs): 70.66 HzXmax: 3.5 mmVoice Coil Diameter: 2"Nominal Impedance: 8Magnet Material: FerriteFrame Material: Stamped SteelWeight: 3.7 LbsMounting Depth: 3.37" (85.5 mm)