The USB audio speaker volume in Win10

ricktw

Senior Member
Hello,
We are developing an USB audio speaker. We found the speaker volume output are different when connect it to HP laptop PC or connect it to my another desktop PC via USB port. Obviously, the USB speaker connected to laptop PC is louder than desktop PC. Same volume level I set. Same Win10 OS situation.
It uses USB UAC protocol. Why does get different speaker volume output ?

Rick
 
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