Drivers: HF 25mm Neodymium, Mid/LF 150mmMatched Response: ±0.5dBFrequency Response (-6dB): 56Hz-22kHzDispersion: ±80 Coherent Horizontal, ±10 Coherent VerticalSensitivity: 85dB @ 1W @ 1metreMax SPL: 108dBRecommended Power Amplifier: 75 to 300 WattsNominal Impedance: 8 OhmCrossover Frequency: 2.2kHzConnectors : Binding Posts/4mm Plugs, bi-wireCabinet Dimensions (HxWxD): 381x232x236mmWeight: 10.9kg