When we are watching wonderful movies and enjoying great music, we cannot hear the sound. What a ruining thing is that, so we can see the importance of speakers to us. Speakers are actually divided into active speakers and passive speakers. What is active? What is passive? Today we will take a look at the difference between active speakers and passive speakers.
What are the differences between active speakers and passive speakers
Active speakers Passive speakers (also called active speakers, passive speakers), the "source" here does not refer to the signal source, but the power source. Passive speakers can be regarded as "wooden box plus speakers". The advantage of this is that the sound can reach the best state without interference. At the same time, passive speakers are also speakers without an external power supply. They use speaker cables to connect to the power amplifier to make the speakers sound. Most of the speakers in home theater systems use this method. Each speaker is connected to the power amplifier through the speaker cable, and the power amplifier is driven. The speaker makes a sound.
Generally, multimedia speakers are active, and home theater speakers are passive.
Passive speakers generally have two red and black binding posts behind them.
Active speakers are speakers with their own power amplifiers. Most of the computer speakers we usually use are active speakers. For example, a general 2.0 speaker has only two main speakers and sub speakers. Its built-in power amplifier is placed in the main In the speaker, connect the power supply and the playback source to make sound. If it is an active system with a subwoofer, the power amplifier is placed in the subwoofer, and the satellite speakers sound through the interface on the back of the subwoofer.
The active speaker has a power supply design in the cabinet of the speaker
Teach you one of the simplest principles of discrimination:
Active speaker: Built-in power amplifier circuit, it can work when power supply and signal input are connected.
Passive speaker: There is no power amplifier circuit inside, and an external power amplifier is required to work.
In summary, the main difference between active speakers and passive speakers is whether the speakers have a power amplifier. Whether it is an active speaker or a passive speaker, it can bring us beautiful sounds and bring fun to our lives. The above is the introduction of the editor on the difference between active speakers and passive speakers. I hope to help you.