The Yamaha RX-V377 vs Sony STR-DH770 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
The number of channels for receivers is different - 5.1 versus 7.2, respectively, for devices. In terms of power, there are differences, the RX-V377 has such a ratio W/Ohm - 100/8, 135/6, while the STR-DH770 has a power of 105/6. A common feature for devices is the same total harmonic distortion - 0.09%.
The manufacturer installed different DACs, the RX-V377 received the model Burr-Brown 192 KHz/24-bit, but the STR-DH770 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Sony STR-DH770. Both Yamaha RX-V377 and Sony STR-DH770 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless connection to the Internet via WIFI can not be performed on these receivers. There is a Bluetooth protocol at the STR-DH770. Support for Apple Music Services not implemented. Spotify is not available for these receivers.
Support for the HDR function can only boast of the STR-DH770. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the RX-V377 and the STR-DH770. None of the devices can increase the resolution of the incoming video signal. Review participants do not have the Dolby Vision feature.
The number of HDMI inputs/outputs is the same - 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V377 and the STR-DH770. When comparing receivers, it becomes clear that only the Yamaha RX-V377 has HDMI CEC. RX-V377 and STR-DH770 support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in RX-V377. The Yamaha RX-V377 can be properly configured using the setup assistant.
Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.