KEF Reference line. KEF Blades if you have the space to the outside of the speakers. I had the Kiya 45 in mind for my space but thought the KEF Reference line was close to it for lower cost.
Vivid is coming out with new new monitor speaker that may pass your WAF test.
https://www.soundstageglobal.com/index.php/shows-events/tokyo-international-audio-show-2019-tokyo-japan/902-tias-2019-laurence-dickie-outside-and-mostly-inside-the-new-vivid-audio-kaya-s12
Vivid is coming out with new new monitor speaker that may pass your WAF test.
https://www.soundstageglobal.com/index.php/shows-events/tokyo-international-audio-show-2019-tokyo-japan/902-tias-2019-laurence-dickie-outside-and-mostly-inside-the-new-vivid-audio-kaya-s12