Earphones can be used with fixed devices, such as CD or DVD players, home theaters, and personal computers, as well as portable devices, such as digital audio players/MP3 players, mobile phones, etc. Wireless headsets can be connected wirelessly to receive radio or infrared signals, which are encoded by radio or infrared transmission links, such as…
According to the degree of openness, it is mainly divided into open, semi-open and closed (closed). The characteristic of the open earphone is to use soft sponge-like microporous foamed plastic as the sound-transmitting ear cushion. It is comfortable to wear and has no sense of isolation from the outside world. The sound can be leaked,…
The earphone sensitivity points to the sound pressure level that the earphone can emit when the earphone inputs 1 milliwatt of power (the unit of sound pressure is decibels, the greater the sound pressure, the greater the volume), so generally the higher the sensitivity and the lower the impedance, the easier the earphone is Sound,…
Methods of Headphone Noise Reduction There are two ways to reduce noise in headphones, active noise reduction and passive noise reduction. The active noise reduction function is to generate a reverse sound wave equal to the external noise through the noise reduction system to neutralize the noise, thereby achieving the effect of noise reduction. Active…
How to care for the headset First, the metal plating of audio plugs is generally very thin. If you plug and unplug for many times, the surface will wear out quickly. Excessive wear will also cause changes in sound quality or poor contact. Therefore, it is recommended not to be fine. Just unplug the headset.…
People who play headphones for the first time can be roughly divided into two categories: One type is enthusiasts who compromise from speaker systems to headphone systems. These enthusiasts are often “forced” to configure headphones/portable audio systems out of considerations of home environment and portability. They already have certain fever experience in speaker systems. With…
Before choosing a good headset, we should know what details should be paid attention to when choosing a headset. Next, the first brand manufacturer of headsets will share with you the precautions for buying headsets from a professional perspective: 1. The classification of earphones: A. According to the principle of energy conversion: There are mainly…
1. The type of headset Headphones are classified according to their energy conversion methods, mainly including moving coil, electrostatic and isomagnetic. Separate from the structure, semi-open and closed. From the wearing form, there are earplug style, ear hanging style and headband style. 2. The difference between open and closed earphones The shell…
Usually when buying headphones, the minimum frequency range is 20-20kHz, the power is greater than 100mW, and the harmonic distortion is less than or slightly equal to 0.5%. If you cannot meet the above requirements, you’d better not buy it. If the performance of the product is too high, it is best not to buy…
Keywords: What to do when buying a Bluetooth headset When a user buys a Bluetooth headset, he must do what he has to do. The biggest use of earphone agent joining is to listen to music, or play games or watch movies. The Bluetooth headset is different. Although the music earphone is not good…