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Advantages and disadvantages of passive speakers

Passive speakers are also called "passive speakers". That is, the speakers we usually see.

2021-11-23

1. What is a passive speaker

Passive speakers are also called "passive speakers". That is, the speakers we usually see. There is no power amplifier circuit inside the speaker, so an external power amplifier is required. Although passive speakers do not have amplifiers, they often have crossover networks and impedance compensation circuits. At the same time, we can also regard it as a "wood box + horn", so that the advantage is that the sound can reach the best state and will not be disturbed by the external environment. Since the sound card of the playback device does not have a power amplifier and only outputs sound analog signals, a dedicated power amplifier should be connected when using this kind of speakers.

PRS passive speaker

Advantages and disadvantages of passive speakers

Advantage 1: More flexibility in tuning

Due to the need to connect to an amplifier to drive, the sound of passive speakers will be greatly affected by equipment and cables. In turn, this also means that the tuning can be more flexible, and the characteristics of signal cables and amplifiers can be used to supplement or enhance the speakers. Performance.

Advantage 2: Only need to connect the speaker cable

Although it needs to be connected to an amplifier, on the other hand, passive speakers do not need to be connected to an additional power cord. You only need to connect the signal line to the amplifier, and the latter can be used to directly drive the sound.

Advantage 3: Diversified gameplay such as bi-amp driving, two-wire splitting

Some passive speakers can support bi-amp driver (Bi-Amp) and bi-wire (Bi-Wire) wiring to enhance the performance of the speaker.

Disadvantages: need to be promoted by a later stage

There are too many types of passive speakers, with different specifications, designs, and materials. If you want to talk about a common shortcoming, it needs to be driven by an amplifier, which requires additional equipment and space.

Advantages and disadvantages of active speakers

Sources of power noise of audio equipment system

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