... feedbacks!Guangzhou Baiyun Xinbaosheng Professional Electroacoustic Equipment Factory WL series 5.1 active home speakers with S-AIR Digital Wireless Surround ... PowerSubwoofer:80W,Center:18W,Satellite:18WSpeaker UnitSubwoofer:8"*1,Center:613"*1,Satellite:613"*4Frequency responseSubwoofer:45Hz, Center:200Hz-18Khz ... 904(5.1) WL-8088D(5.1) WL-906(5.1)wl-903(5.1)WL-503(5.1)WL-6099(5.1) our factorymanagement ...