Sony STR-DH770 vs Onkyo TX-NR545 review

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Having had an opportunity to test Sony STR-DH770 vs Onkyo TX-NR545, I’d like to share my impression here to facilitate your choice of a new AV receiver.

Amplifier

AV receivers under review have the same number of channels. In terms of power, there are differences, the STR-DH770 has such a ratio W/Ohm - 105/6, while the TX-NR545 has a power of 100/6. The value of total harmonic distortion is also different, and for the STR-DH770 it is 0.09%, but for the TX-NR545 it is 0.08%.

Audio features

The manufacturer installed different DACs, the STR-DH770 received the model 192 KHz/24-bit, but the TX-NR545 is equipped with Hi-Grade 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Sony STR-DH770 and Onkyo TX-NR545 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The TX-NR545 has access to the Spotify service.

Video features

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 STR-DH770 and the TX-NR545. None of the devices can increase the resolution of the incoming video signal. Review participants do not have the Dolby Vision feature.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the STR-DH770 has 4/1, and the TX-NR545 has 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the STR-DH770 and the TX-NR545. When comparing receivers, it becomes clear that only the Onkyo TX-NR545 has HDMI CEC. STR-DH770 and TX-NR545 support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player.

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 neither AV receiver. The Onkyo TX-NR545 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the TX-NR545. A DTS:X surround technology is not supported by devices from our comparison.