This bundle includes a Denon AVR-X3300W receiver with (2) Polk Audio TSi500 floorstanding speakers, (1) CS10 center channel, and (2) TSi100 bookshelf speakers.AVR-X3300W:Discover a new world of incredibly immersive surround sound with the AVR-X3300W 7.2 channel AV receiver which features Dolby Atmos and DTS:X 3D surround decoding. Featured on a growing list of blockbuster Hollywood soundtracks, these object-based surround formats deliver a superior 3D listening experience compared to conventional surround soundtracks. Dolby Atmos features the option of overhead speakers or Dolby Atmos elevation speakers. DTS:X will be available via future firmware update. Polk Audio TSi500:The Polk Audio TSi500 floorstanding Speaker is the flagship of the TSi series. With four 6.5-inch drivers, it has the power handling and bass response to sound spectacular. Pair them up with a CS10 center, TSi100's for surrounds and a PSW series subwoofer and you'll have one incredible sounding home theater system!Polk CS10 Center Channel:Compatible with practically all electronics, these are speakers that produce sound that's open, spacious and clear, even when driven by modestly-powered amplifiers and receivers. No matter if you just bought a new digital surround receiver, or are hooking up this CS10 or TSi Series speakers to vintage electronics, they will still sound great.TSi100 Bookshelf Speakers:Polk Audio has done it again with their TSi100 bookshelf speakers. Enjoy listening to your favorite jams through these affordable bookshelf speakers that feature wide-dispersion woofers and tweeters for thrilling sound that keeps you rocking.