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How about passive speakers?

2021-08-18 30
In modern society, we can hear music when we walk on the street, so when it comes to speakers, I believe everyone is familiar with it. In our daily life, we will come into contact with them every day, but speakers are also divided into active speakers and passive speakers. Everyone has never studied the question of how passive speakers are. Today I will study with you how passive speakers are and the difference between passive speakers and active speakers.

How about passive speakers?
1. Passive speakers are also called "passive speakers". Passive speakers are ordinary speakers that we usually use without power amplifier circuit inside. Although passive speakers do not have amplifiers, they often have crossover networks and impedance compensation circuits. Active speakers are usually marked with parameters such as the output power, input impedance, and input signal level of the built-in amplifier.

2. Passive speakers can be regarded as "wooden box plus speakers". The advantage of this is that the sound can reach a better state without interference. Since VCD, DVD, and computer sound cards do not have power amplifiers and only output sound analog signals, a dedicated power amplifier (power amplifier) needs to be connected. It is often used in large-scale sound reinforcement, such as larger venues, conference rooms, movies, theaters and home theaters, etc. It needs more power to promote, and the sound quality is good.


How about passive speakers?


What is the difference between passive speakers and active speakers?
1. Amplify in power design
Generally, passive speakers in the living room do not have a built-in power amplifier circuit, and must be connected to an external power amplifier to work. The active speaker is externally connected with a built-in power amplifier circuit powered by a power supply. It has sufficient power and can work when the power supply and signal input are connected. A power amplifier is not needed, but the bedroom does not need this.

2. In terms of output sound
The integrated sound card has nothing to talk about for the average user in terms of output. The integrated sound card mainly relies on the software debugging of the driver to output sound effects, while the independent sound card is only required for special sound effects to be targeted for purchase, or it is more high-end Has hardware-level debugging capabilities. Therefore, the integrated sound card can also meet the requirements of the vast majority of users. If there is no special requirement, don't buy an independent sound card, and waste money.

3. Market positioning and consumer groups
Active speakers are now mostly used in the field of computer multimedia, and in some occasions with special needs (such as electronic keyboard speakers). Generally, these speakers have low output power, and the volume cannot be turned on very high, and it is not too good on the circuit of the power amplifier. Pay attention to, it is a simple sound system; passive speakers are formal speakers, with high power and good sound quality, but the product is large and bulky.

4. In addition, the price of passive speakers is much more expensive than that of active speakers. In terms of effect, passive speakers are better, but passive speakers are used in many conditions, which is a bit troublesome. Active speakers can be used as long as they are properly connected to the audio cable, data cable, and power supply. For ordinary users, it is completely OK to use active speakers for listening to music and watching movies.
After reading what is a passive speaker above, how about the difference between passive speakers and active speakers, can you distinguish between active speakers and passive speakers? Both active speakers and passive speakers are common in our lives. To put it simply, active speakers are plug and play, and passive speakers need to be connected to amplifiers. Finally, I hope the above can help everyone choose.
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