It’s been several years since Sony released a home theater receiver. Now, they’re roaring back with a whole new lineup, which marries cutting-edge audio/video processing with the Sony ES badge of performance and reliability. The flagship STR-AZ7000ES comes loaded with modern A/V conveniences, like 8K and 4K video compatibility, advanced surround sound calibration, and multi-zone capability. A high-performance built-in DAC makes multichannel soundtracks and digital stereo music sources sound killer. And the receiver is built like a tank to reduce vibrations that could add noise to your system