The Reference Premiere Designer On-Wall RP-440D SB is our premium 3-channel passive LCR sound bar. Leveraging the same acoustic technology as our dynamic, detailed, Reference Premiere box speakers in a slim, on-wall solution with an elegant matte finish. Featuring three horn-loaded 1”Titanium Dome Linear Travel Suspension (LTS) tweeters and four 3.5” Cerametallic™ woofers, this premium passive sound bar is the superior choice for minimalist-designed acoustics. Features: Slim On-Wall Solution Matches Today's Ultra-Flat TV's 3-Channel Sound Bar Provides Left/Center/Right Speakers in Single Seamless Cabinet Reference Premiere Horn Loaded Acoustic Technology Flexible Placement Triple 1” Titanium Dome Linear Travel Suspension (LTS) tweeter Quad 3.5" Cerametallic™ Woofers Dual 4-Way Keyholes for secure on-wall mounting Magnetic Wrap-Around Grille Included glass base for table-top mounting Matte Black Painted Finish Blends Seamlessly into Today’s Modern Interiors