Name: QK Series 10" karaoke speaker(QK20)Guangzhou Yunqiang Electronics Co., Ltd is an expert manufacturer for professional speakers and power amplifiers. British QSN is a high-end audio brand of Yunqiang. QSN focus much on quality and is dedicated to be the leading brand of audio industry. With superb design team and advanced technology, we are confident to provide you the best quality products with competitive price. System3-WAY FULL RANGEFrequency response50Hz-18KHzDriverLF:10"x1, HF:3"x4Nomina limpedance8 OhmsSystem sensitivity95dBRated power200WPeak power400WMaximum SPL121dBCrossover modeInside crossoversSuspensionsingle side hangingNet weight14KGSize(mm)523W x 285D x 318HPackage size(mm)690W x 375D x 590H