Do you want to wholesale customized and high quality sq18 single 18 inch active subwoofer/bluth tooth speaker/powered speaker from one of the professional manufacturers and suppliers of sq18 single 18 inch active subwoofer/bluth tooth speaker/powered speaker in China? it is here waiting for you to contact its factory.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.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 venuesSpecificationsFrequency Range (+/-3 dB): 40 Hz-300HzSensitivity: 99dBMaximum Peak SPL:126dBDriver：LF1x 18"Nominal Impedance: 8ΩPower Handling: 600WProduct dimensions(WxDxH): 752X600X520MMN.W: 51KGPower: AC100-240V /50-60HzOutput power:2×900W+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