Features and applications:SQ series active line array speaker system can?meet different demands for sound?reinforcement in various venues.?Built-in DSP audio processor make the adjustment quicker and easier and support blue tooth .they are ideal for being used in a variety of venues such?as small or medium meeting, auditorium?, multi-function?hall, positioned?installation and so on, where?high quality sound system required.*Integrated?formation bugle*Easy and safe suspension?device*Fast floor stacking or mounting*Ergonomic knob*Built-in DSP audio chip*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 venues?Specifications：Frequency Range (+/-3 dB):48Hz-300HzSensitivity:?96dBMaximum Peak SPL:?121dBDriver：LF1x 12"Nominal Impedance:?8ΩPower Handling:?450WProduct dimensions(WxDxH):?460х370х370MMN.T:30KGAC100-240V/?50-60HzOutput power:2×300W+1×900W/8Ω?