THX Select2 Plus and Three-Stage Inverted Darlington Circuitry for all seven channels ensures reference-level playback of your hi-res media. Surround expansion, speaker calibration, and real-time Dynamic EQ technology- all from class-leader Audyssey- treat you to a cinematic experience that's so realistic you can almost smell the popcorn. For music lovers, built-in Wi-Fi will stream 192/24 hi-res, lossless, and compressed audio directly from smartphone and tablet, or from PC and NAS. A selection of powered outputs and line-outs are ready for synchronized audio in up to three zones. With eight 4K- and 3D-ready HDMI, inputs, two ARC-enabled outputs, and 4K video upscaling, the TX-NR727 takes its place at the very top of the class.