SOYO SY-P4I845GE Quick Start Manual page 15

SY-P4I845GE/GV Quick Start Guide
Audio Speakers connections
When using 2-channel speaker, connect the speaker cable to line-out.
If you're using 4 channel speaker, connect the front L/R speakers to line-out and rear
L/R speakers to Line-in. make sure to set the audio software for 4 channel speaker
system. Do not forget to set the Audio Rack software to 4-channel system.
If you are using 6 channel speaker, connect the front L/R speaker to line out, rear L/R
speaker to line-in and center/Bass speaker to Mic-in, make sure to set the audio software
for 6 channel speaker system.
Line-out Line-in Mic-in
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