Sony PULSE Explore™ wireless earbuds - US $200 (Planar Magnetic)
https://www.playstation.com/en-us/accessories/pulse-explore-wireless-earbuds/
Sony PULSE Explore™ wireless earbuds
PULSE Elite™ wireless headset - US $150 (Planar Magnetic)
https://www.playstation.com/en-us/accessories/pulse-elite-wireless-headset/
I don’t think you know how R&D works if you think Sony made use of Audeze’s tech to inroduce these.