System type: 2 way passive loudspeaker Frequency response (-10dB): 45Hz to 20kHz Components: LF: 18-inch cone, 3-inch KSV voice coil and 60oz magnet HF: 1.75-inch Ti dome drive and 23oz magnet Sensitivity (1w at 1m): 96 ±2dB Impedance: 8Ω RMS power: 350W