TYPE: 2-way full range trapezoid loudspeaker FREQUENCY RESPONSE: 40Hz-20kHz+/-3dB TRANSDUCERS: 1X15'' /4'' voice coil LF driver 1X1.5'' exit HF compression driver RATED POWER: 450W RECOMMANDED AMPLIFIER: 450-900W 4 ohms SENSITIVITY: 99dB MAXIMUM SPL: 127dB continuous, 133dB peak NOMINAL IMPEDANCE: 8 ohms nominal DISPERSION(-6dB): 80 Horizontal, 50 Vertical FINISH: Textured black paint PROTECTIVE GRILLE: Black perforated steel CONNECTORS: 2XNeutrik speakon NL4 FITTINGS: 10XM8 threaded s DIMENSIONS: (W)690mmX(H)470mmX(D)450mm WEIGHT: 41kg