Amazon.com: Bowers & Wilkins M-1 Satellite Speaker - 4" Glass Fiber Midrange, 1" Aluminum Dome Tweeter, Use as Stereo Speakers or Center Channel in Your Surround Sound System, Matte Black (Single) :
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BOWERS & WILKINS HTM62 S2 EACH 5" 2-Way Center Channel Speaker Black | Accessories4less