Bowers & Wilkins Formation Bass Wireless subwoofer for Formation speakers at Crutchfield
Bowers & Wilkins Formation Bass Wireless Subwoofer (250W), Unique Side-Firing Design, Compact Cylindrical Look with Versatile Placement, Compatible with B&W Music App
First Impression Review: B&W Formation Wireless Speakers Series - Formation Duo, Formation Wedge, Formation Bar, Formation Bass and Formation Audio | StereoNET United Kingdom