Why doesn't the wireless microphone receiver need a volume controller?

1. The volume adjustment of the wireless microphone receiver brings troubles to use:

Manufacturers of wireless microphone receivers on the market are accustomed to treat it as a normal radio, so they install a volume controller on the control panel to adjust the receiver's volume. However, in actual use, several users understand this How to adjust the volume control is the most correct? Even though there are detailed instructions in the manual, few people know about it. Therefore, it is often because of the improper adjustment of the volume control that either the sensitivity is insufficient and the noise ratio deteriorates, or the output is too large to produce saturation distortion. However, users mistake the reasons for the poor characteristics and poor sound effects of the wireless microphone as the poor sound quality or insufficient dynamic range of the wireless microphone, which causes great trouble in use.

2. The correct design of the wireless microphone receiver output:
The output of the wireless microphone receiver must be connected to a mixer or amplifier to be able to pronounce. Because the input of the mixer or amplifier has two sockets "LINEIN" and "MICIN", the former provides general radio, recording and playback Audio machine or CD player base and other inputs; the latter is exclusively for microphone input. The input characteristics of "MICIN" are mostly based on the sensitivity and dynamic range of a dynamic microphone. Therefore, after inputting the microphone into the "MICIN" of the mixer, you can directly adjust the volume of the microphone on the mixer. Excellent sound effect, without having to adjust the volume of the microphone.
In the same way, the wireless microphone system uses high-frequency waves to transmit the microphone signal. After transmission and reception, the output volume of the receiver should also maintain the original sensitivity of the microphone; in other words, the output and input of the wireless microphone system The gain should be equal to 0dB! According to this principle, the volume output of a precisely designed wireless microphone receiver can be the same as a wired microphone. The "MICIN" directly input to the mixer can also get better sound effects without having to install a volume controller. Adjustment.

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