What input device for montoring with powered headphones?

I am about to purchase a pair of Blue Microphone powered headphones(Sadie).I’m going out of one of the stereo mix buses into the Sadie for “wired” monitoring.What would be the best input device for routing from the Qu16 to the Sadie .I have searched but can’t find any info on this setup.Thanks

Butch

ART CLEANBox Pro Stereo Level Converter will take 2 x Balanced XLR inputs & give you a stereo 3.5mm output. As a bonus You could use it as a 2 channel DI box too.

https://artproaudio.com/isolators/product/cleanbox_pro/