Features and application:By adopting high power drivers and precise design coordinated with integrated formation line array bugle, the speakers feature high sensitivity, high mobility, and high SPL. Thanks to the safe transporting facilities and quick installment and dismantle system, they are ideal for using in stadiums, stages, multi-function halls, auditorium, and other flow performance sites  where high quality sound system were desired.*Simple suspension devices*Quick suspension and mounting*Ergonomic knob*Waterproof and bump proof corundum coating*Multi-layer birch ply*Enhanced steel grill, acoustic ventilation filter screen*Suitable for using in stadium, stage, multi-function hall, auditoria hall, and other movable performance avenuesSpecifications:Frequency Range (+/-3 dB):40 Hz - 280HzSensitivity: LF 101dBMaximum Peak SPL:LF 134 dBDriver：LF2x 15"Nominal Impedance:LF4ΩPower Handling: LF2x500WConnection:2xSpeakon NL4Product dimensions:(WxDxH)850x600x450mmN.W : 48KG