Now the audio seats on the market are: 2.5mm audio seat, 3.5mm audio seat, 6.35mm audio seat, of which 2.5mm and 3.5mm are used more, so what is the difference between the two?

The 3.5 mm plug can be generally divided into three cores and two cores. The two core plugs are generally used for microphones, and the three core plugs are generally used for stereo sound headphones (active speakers). Now there are very few two-pin plugs, so the microphone also uses a three-pin plug.

The audio block is usually a three-section or four-section interface, that is, the I version and the N version of the earphone, which involves the conversion problem between the two. After the same standard of the earphone plug, the use of the earphone has been extremely simple, and regardless of the use of the I version. Or the N version can use the adapter to convert the interface type.

1.3.5mm headphone jack price

Now Alibaba is generally sold at 1000, the average price is about 0.3 yuan. The specific price depends on the brand and model of the product. The 3.5mm headphone jack produced by Shenzhen Best Electronics is relatively cost-effective.

2. The same 3.5mm headphone jack may also be incompatible with the 3.5mm headphone. The number of links that appear in the headphone jack socket (that is, several loops and one turn around the socket), the number of past headphone jacks It is 2 new headphones that start to use 3 links, which can improve the performance of the headphones. The incompatibility of the earphone sockets should appear here, so be sure to pay attention to these problems when buying headphones. To buy a headset that fits your phone's headphone jack, you can look at the links in your phone's headphone jack that come standard with the headset and then go shopping.

Before 2009, the standards of different devices for audio docks have not been unified. If you want to use headphones between different devices, you need to have several types of interfaces, which is very inconvenient. After September 1, 2009, domestic unified. Standard, the earphone plug 2.5mm and 3.5mm two kinds of earphone plugs are domestic standard plugs. Now the domestic use is basically 3.5mm earphone plugs, and the general earphones can be universal.