measured the Arvus H2-4D with my Audio Precision SYS2722 system.1 I connected the H2-4D’s Ethernet port to my network and used the unit’s GUI to set the processor’s output configuration to “5.1.2,” to make sure there was no DSP being used, and to set its volume control to the maximum. Initially, the data source was the HDMI output of my Roon Nucleus+, and playback was with the Roon 2.0 app, which recognized the Arvus as an ALSA device. However, concerned that I was getting anomalous results with data sampled at rates higher than 48kHz and bit depths greater than 16, I repeated the testing with the HDMI output of my 2017 MacBook Pro, using the VLC Player, Adobe Audition,
