技术参数: 输出功率: 3W*2功放IC: LM4863信噪比: ≧70dB喇叭尺寸: 2InchLong-termhighestInputVoltage: ≦0.8V电源电压: USB供电输入灵敏度: 350mV响应频率: 125Hz---18KHz彩盒尺寸: L200*W91*H85mm外包装尺寸: L473*W415*H450mm每箱套数: 50Set/carton重量: 31.5Kg 1.2.0speaker2.usbpower3.portable uniquedesign4.competitivepriceandgoodquality Technicalparameters:Outputpower:3W*2AmplifierIC:LM4863SNR: 70dBSpeakerSize:2InchLong-termhighestInputVoltage: 0.8VPowersupplyvoltage:USBpoweredInputSensitivity:350mVFrequencyresponse:125Hz---18KHzBoxSize:L200*W91*H85mmPackingSize:L473*W415*H450mmEachboxofcopynumber:50Set/carton