Bowers & Wilkins Reference Series CWM7.4 S2 2.5-way multi-purpose in-wall speaker at Crutchfield
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) :