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.Built-in DSP amplifier module , blue-tooth available*Three way digital channel*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 venuesSpecifications：Frequency Range (+/-3 dB):45Hz-300HzMaximum Peak SPL: 131dBDriver：LF1x 15"Nominal Impedance: 8ΩPower Handling:500WProduct dimensions(WxDxH):600X570X450N.W: 54KGPower: AC180-240V / 50-60HzOutput power：2×600W+1×900W/8ΩFrequency response：20Hz～20KHz(+0.1dB/-3dB)Total harmonic distortion：＜0.05%@8 ohm1KHzInput impedance：20K ohmInput sensitivity：1.1VSignal/noise ratio：101dB