Speaker: refers to a device that can convert audio signals into sound. Depending on the area and layout of the venue, the number and speaker specifications are different. Such as: 60 ~ 150 square meters conference room, you can choose 4 80W small speakers or 2 150W conventional conference speakers. Speaker+2 300W bass speakers or 6 200W speakers, the price ranges from 1200-6000 yuan (conventional price). With a conference room of more than 400 square meters, it is recommended to use linear array audio, ranging from 1,500 to tens of thousands of yuan.

The amplifier: It is the most basic device in the audio system. Its task is to amplify the weak electric signal from the signal source to drive the soundtaker to make a sound. The option of the amplifier is based on the size of the selected speaker power*1.5 times the power. The price ranges from the different gap between the power and the brand, ranging from 1,500 to tens of thousands of yuan.

Tuble: It enlarged, mixed, distributed, sound -quality modification and audio effect processing of multi -way input signals. It is an important equipment for broadcasting and recording programs in modern radio radio broadcasting, stage pitch, audio program production and other systems. The mixer can be divided into: analog mixer and digital mixer according to the signal. You can select the corresponding mixer according to the number of sound sources and microphones in the conference room. The conventional soundtrack is 8, 10, 16, and road 24 and 36 are generally used for performance occasions. The price ranges from 1,000 yuan -tens of thousands of yuan.

Feedback suppressor: The screaming of the microphone, the recommended conditions should be matched as much as possible. According to the brand's different prices ranging from 2000-6000 yuan.

Audio digital processor: It is the processing of digital signals. Simple speaker processor: 2 in 4 out, 2 in 6, 2 in 8, 4 in 6, 4 in 8, etc., there are simple fixed processing modules inside, most of which are mostly 3,000-8000 yuan Essence

Multi -functional digital audio processor: Generally, 8 in 8, or larger; all the input channels have illusions and power supply, and you can directly connect the meeting goose -necked vessel. Its internal functions are more complete, and some have a dragging programming module, which can be composed of users freely. Such processors can generally replace the simulation systems composed of small pilotrains and surrounding devices in the conference system. It often has a network interface, which can be programmed and controlled online through Ethernet access to the computer. The price ranges from 8,000 yuan -tens of thousands of yuan.