... 240V,50Hz/60Hzl Frequency response: 20Hz-20kHzl Low harmonic distortion (<=1%THD)l Dimensions:¢ Woofer Cabinet: 245mm x 160mm x 230mm ... all kinds of speaker,such as:speaker,mini speaker,portable speaker,USB speaker,2.1 muitimedia speaker,5.1 multimedia speaker.2.We ... ,USB speaker,5.1 multimedia speaker,2.1 multimedia speaker,2.0 multimedia speaker about 100000 set per month. 2.1 multimedia bass speaker ...