The Denon AVRS660H receiver is a terrific option in the mid level receiver category. It has 6 HDMI inputs, 3 of which can pass an 8K signal, and works with all the major smart systems like Google Assistant, Amazon Alexa, Josh.ai, and Apple Airplay 2. In addition, it can handle high res audio files and you can use the built in Bluetooth to connect a pair of wireless headphones or stream audio stored on your smart phone.