Greetings!
If you stream music via a computer over USB to the DAC, you might like to consider the DENAFRIPS DDC - Digital To Digital Converter.
The DDC effectively reduce the noise from the USB Host, output cleaner and lower jitters digital outputs (I2S/SPDIF) to the DAC.
Iris DDC is a great companion with the Pontus II DAC. Here's the video we talk about how to configure the DAC to work with the Iris DDC over i2s.
Happy watching @ our YouTube channel: here!
Team Vinshine Audio