The Yamaha RX-V581 vs Sony STR-DH770 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
AV receivers under review have the same number of channels. In terms of power, there are differences, the RX-V581 has such a ratio W/Ohm - 115/6, 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-V581 received the model Burr-Brown 192 KHz/24-bit, but the STR-DH770 is equipped with 192 KHz/24-bit. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V581 and Sony STR-DH770 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with RX-V581. Each of the receivers has a Bluetooth connector. The RX-V581 has access to the Spotify service.
Support for the HDR function can only boast of each of the AV receivers. 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-V581 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-V581 and the STR-DH770. When comparing receivers, it becomes clear that only the Yamaha RX-V581 has HDMI CEC. RX-V581 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.
Ability to create 2 Multi zones inherent in both AV receivers. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in RX-V581. The Yamaha RX-V581 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-V581. Only in the RX-V581 realized a DTS:X surround technology.