External USB 7.1 Channel Sound Box
2.
Under Audio MIDI Setup, open the Audio Devices, and make sure you have chose
USB Sound Device under System Settings and Properties For. Also please check
Audio Output has setting the Format: at 8ch-16bit.
After settings as above, please select Configure Speakers and going to next step.
3.
Select Multichannel then chose 7.1 Rear Surround, and now the setting has finished.
User's Manual
10
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