How to connect audio to the computer correctly?

The one with black head and red and white head is the audio cable, the big speaker is the main speaker, also called the subwoofer, and the two small speakers are the speakers of the left and right channels. Detailed connection steps are as follows:

First, insert the plug of the small red speaker into the red audio output hole of the right channel of the main speaker (normally red, right, white and left).

2. Insert the plug of the small white speaker into the white audio output hole of the left channel of the main speaker (generally red, right, white and left).

Third, then insert the red audio input plug of the connecting cable into the red audio input hole.

4. Then insert the white audio input plug of the connecting cable into the white audio input hole.

5. Finally, insert the black plug at the other end of the connecting cable into the green jack on the back of the chassis to complete the connection.