Yamaha Corporation of America announced this week that it has updated its well-regarded RX-V line of A/V receivers adding several new and popular features such as new wireless capability, a new surround capability, and new streaming services. Included in this update are the 7.2-channel RX-V777BT, RX-V677, RX-V577…as well as the 5.1-channel RX-V477. The company notes that these models embody a rare combination of sound quality, convenience, and accessibility.