Bluetooth headsets are the second largest application of Bluetooth. According to the official market report of IMS, the total global shipment of Bluetooth headsets in 2007 was 67 million, and it is expected to be 81 million in 2008. In the Chinese market, Bluetooth headsets are also the second largest Bluetooth device in shipments. In…
There are countless manufacturers in China’s headset industry, especially in the surrounding areas of Shenzhen, there are hundreds of large and small Bluetooth headset manufacturers. The competition in the industry is fierce. In this social and economic environment, some headset manufacturers only seek short-term benefits, not long-term development. The quality of the product is not…
Why is the sound quality not so good when the expensive earphones are just bought? Many people bought hundreds or thousands of earphones. They were very excited when they first arrived. They were dumbfounded when they unpacked and connected them-the sound was too bad, and I felt cheated and seriously fooled by the manufacturer’s advertisements,…
Why do some earphones cost 500 yuan, and some as long as 20 free shipping? This has a lot to do with the production and production of the headset itself. Of course you can imagine something worth 20 dollars. Its production materials and production process requirements are certainly not that high, and the merchants will…
Many people think that the heavier the bass and the louder the rumbling headphones are, the better the sound quality, the more high-end, and the more vigorous it listens. There are special heavy bass headphones and the sound source also needs heavy bass sound effects to be premium products. In fact, this is a big…
Nowadays, science and technology are developing very rapidly, and people have begun to be inseparable from electronic products. I think most people now have a headset. The headset can enjoy music. There are good and bad headsets. We say to play with headphones. In fact, we can’t What is avoided is to build a complete…
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…