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