5.1 AV Receiver with Bluetooth and Wi-Fi Compatible with Yamaha’s Music Cast, enjoying music through the home becomes a reality. The RX-V481 also supports HDMI® with support for 4K60p (4:4: 4), HDCP2.2, HDR & BT.2020 for top level video performance & provides Speaker Zone B output. **** Bluetooth®-Compatible for Wireless Music Streaming **** This AV receiver is equipped with Bluetooth functionality to let you enjoy easy wireless music playback from smartphones and other devices. Yamaha Compressed Music Enhancer is now optimised for Bluetooth audio transmission to ensure that your music will have vivid, lively sound quality even during wireless playback. **** 4K Ultra HD Full Support with 4K60p, HDCP2.2, HDR Video & BT.2020 pass- through **** This AV receiver completely supports with the latest HDMI® standards. Thanks to transmission of 4K video at 60 frames per second pass-through, you can fully enjoy the high definition video quality of 4K without degradation. It also adheres to the HDCP2.2 copyright protection standard for 4K video transmission. It also supports HDR (High Dynamic Range) Video which provide enhanced picture quality by simultaneously enabling greater detail for both the dark & bright parts of an image. Furthermore it supports wider colour gamut of BT.2020 pass- through. **** Wi-Fi Built-in & Wireless Direct Compatible for Easy Network **** Wi-Fi Built-in capability allows wireless connection with your household wireless router, greatly simplifying system connections to enjoy network audio & music streaming services. If no Wi-Fi router is available, the unique Wireless Direct feature not only means that you can stream music directly from your smartphone or tablet via AV Controller App's Music Play feature, i OS's Air Play® etc, but also control your receiver using the AV Controller app. **** HDMI with 3D and Audio Return Channel **** 3D means the receiver can handle 3D signal data. The Audio Return Channel function enables data to be sent & received via the same HDMI cable, so you can hear the sound from the TV via a single HDMI cable, with no need for an extra optical cable.