5. How do two surround stereos of1channel stereo realize wireless connection with the power amplifier?

The output port of the Surround channel on the amplifier is called surround in English, which is usually abbreviated as Sur. Surround channels are also divided into left and right channels, sometimes labeled SL and SR to represent surround channels. 6.5-inch speakers can also be connected to the main channel, as long as the sound is appropriate, it is not necessary to connect the surround sound output.

Usually you don't need to buy a sound card for 5. 1 channel. The AC97 sound card that comes with the computer motherboard can fully support 5. 1 channel or 7. 1 channel as long as the sound card driver and application software are installed correctly.

Extended data:

5. 1 channel is divided into pre-recorded and games. Pre-recording has been widely used in various traditional cinemas and home cinemas. Some well-known audio recording compression formats, such as Dolby AC-3 (Audio Coding 3, Third Generation Audio Coding) and DTS, are based on 5. 1 sound system.

5. 1 Outputs sounds in five directions: left (L), middle (C), right (R), left rear (LS) and right rear (RS), which makes people feel like they are in a concert hall. These five channels are independent of each other. The ".1" channel is a specially designed subwoofer channel, which can generate subwoofers with a frequency response range of 20 ~ 120 Hz.

Baidu Encyclopedia -5. 1 speaker