Volume goto 100 even hardware limit set to 50

I am using an external USB DAC on MacOS 10.13.3. I have set the volume limit of the DAC to 50 but whenever a new song is play, the output is jump back to 100.

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Hi @Geoff_Ng ------ Thank you for the report and sharing this observation you have made with us, the feedback is appreciated!

Moving forward, in order for us to accurately evaluate this behavior you are experiencing may I very kindly ask you to please provide a brief but accurate description of your current setup using this link as a guide.