XWCH INDUSTRIAL CO., LTD
plastic mould, mould, bakelite mould, stamping mould, Die casting mould, Manufacture and Supplier - China(CN)
1) Driver unit: O50mm 2) Speaker: a) Impedance: 32 ohms15% b) Sensitivity: 100dB3dB c) Frequency response: 20 - 20,000Hz d) Max. power input: 100mW 3) Microphone: a) Operatin... - Update: 2009-04-08