... %)Frequency Response:150-20000HZSignal&noise ratio≥65dBRated Impedance:4Ω±0.5ΩCircuit Current:≤300mASupply Voltage Rejection:≥48dBSpeaker Unit:Diameter:(40/4 ... Ω/2W)Case Material:EVA+PUDimensions:10*8.5*6.5cmWeight:300 gColor:Red/Orange,balckFeatures:1.SPEAKER SYSTEM ... Description:1.The size is 180 * 100 * 36mm, with double the battery 5, the line with a convenient, mainly energy, you can ...