A press release has revealed that Philips (TP Vision) and Bowers & Wilkins have decided to extend their partnership and continue to offer their respective expertise in future Philips OLED and LCD TVs. The duo previously collaborated on the well-received 65OLED+984 and OLED+934 models, and new televisions are expected to be released soon.
https://www.notebookcheck.net/New-Philips-OLED-and-LCD-TVs-to-come-with-Bowers-Wilkins-audio-technology-during-extended-partnership.481623.0.html
OLED+B&W certainly doesn't sound cheap, but it does sound like a guarantee for quality.