1. What is the headphone extension cable?
A headphone extension cable is a type of audio extension cable, which is used to increase the length of the headphone cable.
The common headphone cable is generally about 1.2 meters. If this length is not enough, you need to use a headphone extension cable to increase the length.
The length of the headphone extension cord varies from a dozen centimeters to three meters or even longer.
Second, what is the function of the headphone extension cable?
The earphones are far from the player; if the earphones do not match the player, use an extension cord to adjust; if you listen to the radio on a mobile phone, use an extension cord to increase the reception.
Third, will the headphone extension cord affect the sound quality?
Yes.
Theoretically, adding an extension cable will affect the sound quality to a certain extent, and the effect is below 0.198%.
The different materials and lengths of the cables are important factors that change the sound quality. But it is difficult to explain subjectively, and you can only feel it by your own subjective listening. Only choose the extension cord that is most suitable for you, the effect will be the best.
Strictly speaking, cheap is not good, and good is not cheap. If the wire of the extension cable is too bad, it will affect the sound quality and audio.
It is said that the cheap ones are also cheap, a few dollars for a line and two plugs are not more than ten dollars in total. Buying a slightly better extension cord will not affect that much. On the Internet, the price of twenty yuan is enough, and the impact is so small that golden ears can’t hear it.
4. How to use the headphone extension cable?
The headphone extension cable is basically one male and one female with two 3.5mm plugs, and there are also one male to two female or two male to two female.
Usage of the headphone extension cord: insert the headphone plug into the female head of the headphone extension cord, and insert the headphone plug into the device to be played.
Note: There is another way to use the headphone extension cable. That is, when the headphones you buy do not match the device you are playing, the headphones cannot be used. There is no need to replace the earphones at this time. It is also possible to buy an extension cable for earphones, but this method may not be suitable for all earphones and devices.
V. Supplementary knowledge: How to choose a good pair of headphones?
What’s the audiophile favorite? HiFi is of course HiFi. If you want headphones to be HiFi, you must pay attention to the following points: From the perspective of usage, generally speaking, electric headphones have the advantages of simple structure, stable sound quality, low price, and not outstanding sound quality, etc. Features, suitable for general people to choose, it can meet the general needs; condenser headphones, good sound quality and wide frequency band, but due to the complex process, the price is relatively high, suitable for enthusiasts to choose, its listening quality is quite good.
From the perspective of the nature of the use of the earphones, the earphones need to be worn on the head for a long time, which requires the earpads of the earphones to be very soft and comfortable, the pressure of the head ring is relatively small, and the earphones cannot compress the blood vessels of the head. discomfort.
The best way to buy headphones is to buy both earbuds and over-the-ear headphones. In summer, it is hot, and earplugs will not suffer; in winter, when it is cold, head-mounted can prevent ear frostbite, killing two birds with one stone.
When purchasing earphones, pay attention to the performance indicators on the earphone manual, because earphones with poor quality are often produced by some small factories, and some of their performance indicators are randomly added or exaggerated. Headphones generally have a minimum frequency range of 20-20kHz, power greater than 100mW, and harmonic distortion less than or slightly equal to 0.5%. If you can’t meet the above requirements, you’d better not buy it. If the performance written in the manual is too high, it is best not to buy it.
Judging from the appearance and feel, the more authentic earphones produced by large manufacturers use engineering plastics, so the appearance is very smooth, and there is a certain degree of stress and toughness, no stiff feeling, fine workmanship, and excellent feel , without the roughness of using inferior plastic. In addition, the lead wire diameter of the earphone is relatively thick, which can ensure stable transmission, and the touch of the wire is soft and hard. The plug is neatly done, without burrs, and the plating is smooth and even. If you don’t meet the conditions, don’t buy it.
