B&W AS2 active subwoofer, VGC For Sale - Aussie Audio Mart
Amazon.com: LIELONGREN [Newer] USB Computer Speaker for Desktop, Laptop Speaker, PC Speaker, Small Computer Soundbar with Hi-Quality Sound, Loud Volume, Rich Bass, Volume Control : Electronics
Bowers & Wilkins Formation Bass Wireless Subwoofer (250W), Unique Side-Firing Design, Compact Cylindrical Look with Versatile Placement, Compatible with B&W Music App