I opened up few subwoofers to look inside. A B&W PV1, a Velodyne SPL10, and a couple of no-names. Hope you find it interesting. :) | Speakers, Soundbars and Subwoofers
User manual Bowers & Wilkins PV1 (English - 71 pages)
Solid Monitors, B&W PV1, NAD 7240PE, NAD S500i - YouTube
Bowers and Wilkins PV1 Active Subwoofer B&W PV1 Active Subwoofer
B&W PV1 review | What Hi-Fi?
M B&W PV1 - Hifi Gear
-Bowers and Wilkins PV1 SUB WOOFER
B&W PV1 Dual 7" Powered Subwoofer; Silver Gloss; PV-1 - The Music Room