Denon AVR-X2100W 7.2 Channel Full 4K Ultra HD A/V Receiver with Bluetooth and Wi-Fi + Definitive Technology ProCinema 600 5.1 Speaker System Bundle Denon - AVRX2100W: Built-in Bluetooth, built-in Wi-Fi, Airplay and DLNA for wireless music streaming Ultra HD 4K 60 Hz video pass-through; 4:4:4 Pure Color pass-through 8 HDMI v2.0 inputs / 2 outputs Definitive Technology - PROCIN600: ProMonitor 600 satellite speakers Dimensions: 4 by 7 by 4.25 inches (W x H x D, ProCenter 600 center channel speaker Dimensions: 10.5 by 4 by 4.25 inches (W x H x D), and ProSub 600 subwoofer Dimensions: 10.38 by 13 by 13 inches (W x H x D). Sonically, the ProCinema 600 System is a revelation in terms of achieving incredible sound at an affordable price. The imaging is absolutely boxless, spacious, and three dimensional while delivering pinpoint specificity and localization when called for. They are velvety-smooth with you-are-there presence which is hard to find at any price and unheard of in this price range. The ProCinema 600 system is dynamic but capable of great subtlety, so it excels equally with music or movies.