Features and applications:Combined in a way of 4+1 by different models of speakers,Website: , SQ series active line array speaker system can meet versatile  demands for sound reinforcement in various venues. Built-in DSP audio chip 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 requiredFeatures and applications:*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 avenues