Sony STR-ZA2100ES 7.2 Channel 4K AV Receiver Enjoy flexible connectivity, powerful configurability and renowned ES quality with the Sony STR-ZA2100ES 7.2 channel 4K AV receiver with Dolby Atmos® and DTS:X® object-based surround sound. Add in full 4K HDR compatibility and easy IP integration with leading control systems and you have the total package of installation-friendly features and audio/video performance. Premium audio quality With 105W per channel, the Sony STR-ZA2100ES delivers cinema-like surround sound and crystal clear music reproduction (105W @ 8 ohms, 1 kHz, THD 0.9%) For special installations, the amplifier can be configured to support: 2 pairs of speakers either independently (A or B) or simultaneously (A and B), in addition to Bi-Amp fashion. Supports Dolby Atmos®, and DTS:X® object based surround You’ll feel like you’re inside the action as the sounds of people, music, and objects move all around you in three-dimensional space.7,8 Can’t fit seven channel surround in your room? Phantom surround back channels will transform your five channel system into a seven channel system. 4K HDR, 6 HDMI inputs for system flexibility Flexible connectivity with 6 assignable HDMI® inputs and 2 outputs supporting HDR and HDCP 2.2.1 In addition the STR-ZA2100ES allows full, native 4K video content pass-through to 4K capable televisions and projectors, and even up-scales high definition movies and TV shows to 4K quality.