Yamaha RX-V4A 5.2-channel home theater receiver with Wi-Fi®, Bluetooth®, Apple AirPlay® 2, and Amazon Alexa compatibility Product highlights This unique Yamaha proprietary sound field creation technology was created by combining measured sound field data with digital signal processing. Yamaha collected sound field data from famous concert halls and music clubs around the world, utilizing its wealth of experience in the fields of concert hall design, public address and mixing. By digitizing this vast trove of information and incorporating it into dedicated LSI devices, it effectively reproduces the spaces of concert halls and music clubs in your home. AudioQuest Forest 2.25m 8K-10K 48Gbps HDMI Cable (7.4ft)