LSK-662 .SIZE: 10" .MAGNET: 20 OZ (OD100mm) .VOICE COIL: 1.5"(ASV) .MAX POWER: 80W(RMS) .SENSITIVITY(1M/1W): 89dB .FREQUENCY: 55HZ-4.5KHZ .AIR GAP HEIGHT: 5mm .IMPEDANCE: 8 Ohm