Amazon.com: Denon Home Subwoofer with HEOS Built-In, Deep, Powerful Bass, 8" Bass-Reflex Woofer, Pair with Denon Home Sound Bar 550, and Denon Home 150/250/350 Speakers or HEOS Speakers, Easy Installation : Electronics
Review: Denon Heos Bar, Heos Sub and Heos AVR - Son-Vidéo.com: blog
Denon's new wireless subwoofer promises to add deep bass to your home entertainment | Stuff