Enjoy surround sound with voice control and internet streaming with the Marantz NR1711 7.2-Channel Network A/V Receiver. It delivers up to 50W of power per channel at 8 ohms and features built-in Bluetooth, AirPlay 2, and HEOS support, allowing you to wirelessly stream music from compatible sources, such as smartphones and tablets. Onboard Wi-Fi and Ethernet connectivity allows the NR1711 to access a variety of internet-based music sources. The receiver can be voice-controlled via your Amazon Alexa, Google Assistant, or Siri ecosystem. The NR1711 supports the Dolby Atmos and DTS:X object-based audio formats, as well as simulated formats like Dolby Atmos Height Virtualization Technology and DTS Virtual:X. More traditional surround formats like DTS HD Master, Dolby TrueHD, and Dolby Surround are also supported. With six HDMI inputs, this receiver can act as a video switcher for your HD source components. It will pass through 8K and 4K UHD signals along with the HDR10, HDR10+, HLG, and Dolby Vision HDR formats to your compatible display. The receiver also has a USB port for accessing media stored on USB flash drives. Audyssey MultEQ sound calibration will fine-tune the receiver to your speakers and room setup for a tailored listening experience.