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| OPPHO Electronics Co., Ltd Add:Building G1, Dongke Industrial Par, Nanpu Village, Changping Town, Dongguan City, Guangdong Province Tel:86-769-83393855/83397855 Fax:86-769-83398055 Contact:Mr.Zhou/13925568556 E-mail:sales@oppho.com Website:www.oppho.com |
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Standard 3.5 headphone socket wiring has three lines: ground, microphone input, microphone bias. There are two nonstandard lines: ground and microphone input, the mic bias province. Nonstandard one is to jack 1,3 short, nonstandard 2 is 3 feet empty. Both of the MIC_IN received JAUD1 of a foot can be used. Nonstandard 3 is shorted to 2,3, which plugs into a standard mic is certainly no sound, unless you also use the kind of connection with the corresponding non-standard plug Mike. 3.5 headphone jack raw material analysis: PA66 plastic raw material is translucent or opaque white crystalline polymers, with plasticity. Density 1.15g/cm3. Melting point 252 ℃. Embrittlement temperature -30 ℃. Thermal decomposition temperature greater than 350 ℃. Continuous heat 80-120 ℃, balance water absorption of 2.5%. To acid, alkali, most of the inorganic salt solution, alkyl halides, hydrocarbons, esters, ketones, such as corrosion, but turning in phenol, formic acid and other polar solvents. Has excellent abrasion resistance, self-lubricating, high mechanical strength. |
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