Bowers & Wilkins 803 D4 Loudspeakers: A Secrets Video Review Carlo Lo RasoNovember 14, 2022 Having previously reviewed the 803 D3 back in 2017, Bowers and Wilkins were kind enough to extend the invitation for me to review the latest generation 803 D4. I decided I would try my hand at shooting a video for this review. I hope you enjoy it. Floor Standing SpeakersReviewsSpeaker Reviews