I tried the test tone you provided and it peaked at 1.7 volts at 0db on the volume. It was at 1.6 most of the time. Thanks for providing it. I wonder if this result is typical of this unit, or if they usually put out a full 2 volts and I got a dud. I'm feeling skeptical that trying another one...
First time posting on this site. I just wanted to let people know that I am having the exact same issue that willy65000 described in his post a number of weeks ago. I purchased a Topping D50s to function as a preamp/DAC for my Parasound Zonemaster 2350 Amp. The output voltage is insufficient...