frame diameter: 35mm (1.4 in) Nominal impedance: 8Ω VOICE COIL DC resistance: 5.4Ω Nominal power handling: 100W Continuous power handling: 200W Sensitivity (SPL1W/1m): 110+/-3 dB Frequency range: 1-18kHz Voice coil diameter: 75mm (3 in) Winding material: aluminium Diaphragm material: Mylar Magnet material: Neodymium124