Volume control of USB OUTPUT with external DAC

Is it possible to control the signal strength of the USB output when using an external DAC with the RS 150B?
Thank you for your answers
Reza

@Felix-05

If the external USB DAC is a volume-adjustable DAC, the volume can be adjusted.
If the external USB DAC does not have a volume control function, you can control the volume of the RS150B through the Software Volume Control setting.

Thank you

Hello,
I did a little research , it is the case with RS 150B that if you use an external DAC, the signal is routed bypassing the internal DAC. Since the volume control of RS 150B runs through a digital attenuator of the ES Sabre chip, you can unfortunately with external DAC the digital volume control of RS 150B basically not use!
Greetings
Reza

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