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Distinguish between active speakers and passive speakers

2021-06-02 39

Active ceiling speakers (ActiveSpeaker) are also called "active speakers". Generally refers to speakers with output power amplifiers, such as multimedia system computer speakers, digital power amplifier speakers, and some new home theater sets of active speakers. Since active ceiling speakers have built-in power amplifier circuits, users do not have to consider the difficulty of pairing with amplifiers. In addition, it is also beneficial to use lower electrical frequency audio signals to drive them immediately.


Distinguish between active speakers and passive speakers


Passive speaker (PassiveSpeaker) is also called "active speaker". Passive ceiling speakers are generally used by everyone, and are general speakers without power amplifier power circuits inside. Although passive speakers do not have amplifiers, they often contain crossover internet and characteristic impedance compensation power supply circuits.
Active ceiling speakers generally indicate the main parameters of the built-in amplifier power, input resistance and key-in signal electrical fairness. The digital power amplifier ultra-low speakers also indicate the frequency characteristics of the key-in signal (such as full-band signal or low-frequency signal), low-pass filter characteristics and other main parameters.
Passive ceiling speakers generally indicate the main parameters such as characteristic impedance, output power, and frequency range.
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