Frequency Range (+/-3 dB): 59 - 27 000 HzSensitivity (2,83 V/1 m): 87 dBNominal Impedance: 4 _Maximum SPL: 107 dBRecommended Amplifier Power: 30 - 150 WCrossover Frequency: 2 000 HzCrossover Principle: 2-wayHigh Frequency Drivers: 1 x 28 mm Soft Textile DomeLow Frequency Driver: 1 x 6 1/2 Wood Fibre ConeEnclosure Type: Bass ReflexBass Reflex Tuning Frequency: 46.5 HzConnection input(s): Single WireMagnetic Shielding: No