Onkyo TX-RZ820 vs Sony STR-DH770 review

vs

The Onkyo TX-RZ820 vs Sony STR-DH770 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.

Amplifier

AV receivers under review have the same number of channels. In terms of power, there are differences, the TX-RZ820 has such a ratio W/Ohm - 160/8, while the STR-DH770 has a power of 105/6. The value of total harmonic distortion is also different, and for the TX-RZ820 it is 0.08%, but for the STR-DH770 it is 0.09%.

Audio features

The manufacturer installed different DACs, the TX-RZ820 received the model AK4458 384 KHz/32-bit, but the STR-DH770 is equipped with 192 KHz/24-bit. Each of the compared opponents supports Bi-amping. Both Onkyo TX-RZ820 and Sony STR-DH770 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The TX-RZ820 has access to the Spotify service. 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 TX-RZ820 and the STR-DH770. None of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the TX-RZ820.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the TX-RZ820 has 7/2, and the STR-DH770 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the TX-RZ820 and the STR-DH770. When comparing receivers, it becomes clear that only the Onkyo TX-RZ820 has HDMI CEC. TX-RZ820 and STR-DH770 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-RZ820.

Additional features

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 TX-RZ820. The Onkyo TX-RZ820 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the TX-RZ820. Only in the TX-RZ820 realized a DTS:X surround technology.