Hilltop Workshop | Subwoofer teardown and compare. B&W PV1, Velodyne SPL10, and a couple of ferals. - YouTube
B&W Loudspeakers - "PV1 Active Subwoofer" by D&AD Awards 2005
Used Bowers & Wilkins PV1 subwoofer for £300! It slaps so hard : r/BudgetAudiophile
MrTechGuyLimited on X: "B&W pv1 repair. These things are not designed to be repaired, the hour or so trying to get the thing apart some could get the PSU out was not