I use this to make the outputs a headphone jack:
https://www.amazon.com/gp/product/B0010D0HO0/
I power it from this:
https://www.amazon.com/gp/product/B094G1GL8T/
I connect it to the ZOIA with this:
https://www.amazon.com/gp/product/B07GD54Q66/

This is the cable I got and it works great: https://www.amazon.com/gp/aw/d/B07GD54Q66

I use some brand I've never heard of from Amazon: https://www.amazon.com/dp/B07GD54Q66

No issues, never noticed hum.