Onkyo TX-RZ710 vs Onkyo TX-NR757 – that is a question.
AV receivers under review have the same number of channels. In terms of power, there are differences, the TX-RZ710 has such a ratio W/Ohm - 175/6, while the TX-NR757 has a power of 110/8, 180/6. A common feature for devices is the same total harmonic distortion - 0.08%.
Competitive models use the same DAC. Each of the compared opponents supports Bi-amping. Both Onkyo TX-RZ710 and Onkyo TX-NR757 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Onkyo TX-RZ710 works with Deezer, TIDAL, Pandora, Tunein Radio, but the Onkyo TX-NR757 works with Deezer, TIDAL, Pandora.
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 TX-RZ710 and the TX-NR757. Video scaling is only possible with the TX-RZ710. Operation with the Dolby Vision is only possible with the TX-NR757.
The number of HDMI inputs/outputs is the same - 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the TX-RZ710 and the TX-NR757. When comparing receivers, it becomes clear that only the Onkyo TX-RZ710 has HDMI CEC. TX-RZ710 and TX-NR757 support the standard HDCP 2.2. Like most receivers, our models 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 TX-RZ710. The Onkyo TX-NR757 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.