Hello @Sacresta, I own and adore my Rowland Aeris DAC... But unlike friend Ricred1, I have enhanced its performance by feeding it through the Rowland external Power Storage Unit (PSU). This external ultra-capacitor-based full-chassis power supply has taken my DAC to amazing new heights... When powered by PSU, Aeris leaves the performance of Aeris with the original power supply simply in the dust.
MSG me if you want to know more.
Regards, Guido