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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
![Bowers & Wilkins PV1D (Matte Black) Powered subwoofer with digital processing and touch-panel controls at Crutchfield Bowers & Wilkins PV1D (Matte Black) Powered subwoofer with digital processing and touch-panel controls at Crutchfield](https://images.crutchfieldonline.com/ImageHandler/scale/489/489/products/2019/23/749/h749PV1DMB-o_other0.jpg)
Bowers & Wilkins PV1D (Matte Black) Powered subwoofer with digital processing and touch-panel controls at Crutchfield
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Hilltop Workshop | Subwoofer teardown and compare. B&W PV1, Velodyne SPL10, and a couple of ferals. - YouTube
![Bowers & Wilkins PV1D (Matte White) Powered subwoofer with digital processing and touch-panel controls at Crutchfield Bowers & Wilkins PV1D (Matte White) Powered subwoofer with digital processing and touch-panel controls at Crutchfield](https://images.crutchfieldonline.com/ImageHandler/trim/750/457/products/2019/23/749/g749PV1DMW-F.jpg)
Bowers & Wilkins PV1D (Matte White) Powered subwoofer with digital processing and touch-panel controls at Crutchfield
![PV1 Active Subwoofer | Native Design | B&W Loudspeakers | D&AD Awards 2005 Pencil Winner | Products for the Home | D&AD PV1 Active Subwoofer | Native Design | B&W Loudspeakers | D&AD Awards 2005 Pencil Winner | Products for the Home | D&AD](https://d2oto3d7z6t29c.cloudfront.net/entries/transformed/dc/03/62493_b1b93d6fb6e14af3a02eb668d0485902.jpg)