2.1 speaker, 1.Competitive price and High quality. 2.Prompt delivery and Factory directly. 3.Exquisite design. 4.Welcome OEM 2.1 speaker,Driver Unit:4"+2.5"*2Frequency Response:45Hz-20kHzS/N Ratio:≥70dBPower Supply:AC 220V 50HZShipping info:Gift Box Size(W*H*D)395*245*175mmCarton Size (W*H*D)715*520*410mm 8sets/CTNLoading Quantity1496setss/20FT, 3600sets/40HQ Established in 2006, Dongguan Haiyu ...