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What standard is used to judge the quality of professional audio equipment.Domestic bar audio Vendor

source:Industry News release time:2021-12-06 Hits:     Popular:Brand bar audio wholesale

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  Now the professional audio equipment market is chaotic, and prices are flying everywhere, ranging from a few tens of yuan as low as tens of thousands of yuan, so how do you choose a suitable speaker? Before buying a speaker, you must first clarify your needs. Is it to watch the power supply or play games, or to listen to the music? There is also the price, the range that you can afford. Many rookies think that expensive is appropriate. In fact, it is not. Many people can only listen to the music that the merchant puts for you to feel the effect, but the technical parameters are completely incomprehensible. The following is simple for everyone. Introducing the technical parameters of professional audio equipment.

  The technical parameters of professional audio equipment and entertainment audio systems can be explained in terms of sound effect technology, frequency response range, sensitivity, power, signal-to-noise ratio, distortion, and impedance.

  What standard is used to judge the quality of professional audio equipment

  1. Sound technology

  Hardware 3D sound effect technologies are now more common, such as SRS, APX, Q-SOUND and Virtaul Dolby. Although they implement different methods, they can all make people feel obvious three-dimensional effects. Among them, the first one is the most common. common.

  2. Frequency response range

  In general, the frequency response range of professional audio equipment is the frequency range and frequency response. The former refers to the range between the lowest effective playback frequency and the highest effective playback frequency of the speaker system; the latter refers to the audio output at a constant voltage. When the signal is connected to the system. This technical index is an important parameter to examine the performance of a speaker, and it has a direct relationship with the performance and price of the speaker, so you must pay special attention when buying speakers, but now many manufacturers have false standards, so you still need to hear Listening is believable, you must be careful.

  3. Power

  In professional audio equipment, the power parameters are also quite confusing. Generally, the power refers to how powerful the sound produced by the speakers can be. There are two kinds of labels for this power, rated power and maximum withstand power (instant power or peak power PMPO). This will not be explained in detail. Just go to the search to find out. Under normal circumstances, in order to cater to consumer psychology, businesses usually set a large standard for music power, so the rated power shall prevail when purchasing multimedia speakers. It is hereby explained that the greater the power, the better, the fit is the best, and it is calculated based on the area.

  Fourth, sensitivity

  The sensitivity index of professional audio equipment refers to the sound pressure level measured at a place one meter in front of the vertical central axis of the speaker plane when a 1W/1kHz signal is input to the speaker input terminal. The unit of sensitivity is decibel (DB). For every 3dB difference in the sensitivity of the speaker, the output sound pressure will double. The sensitivity of ordinary speakers is in the range of 85-90dB, below 85dB is low sensitivity, and above 90dB is high sensitivity, and the sensitivity of multimedia speakers is usually slightly lower.


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