Drivers: HF ATC 25mm Neodymium, Mid 75mm ATC Soft Dome, LF ATC 164mm SCMatched Response: ±0.5dBFrequency Response (-6dB): 48Hz-22kHzDispersion: ±80° Coherent Horizontal, ±10° Coherent VerticalSensitivity: 85dB @ 1W @ 1metreMax SPL: 112dBRecommended Power Amplifier: 75 to 300 WattsNominal Impedance: 8 OhmCrossover Frequencies: 380Hz & 3.5kHzConnectors: Binding Posts/4mm Plugs, tri-wireCabinet Dimensions (HxWxD): 980x265x300mmWeight: 31kg