What is better - Onkyo TX-NR555 vs Yamaha RX-V6A?
AV receivers under review have the same number of channels. In terms of power, there are differences, the TX-NR555 has such a ratio W/Ohm - 130/6, while the RX-V6A has a power of 100/8. The value of total harmonic distortion is also different, and for the TX-NR555 it is 0.08%, but for the RX-V6A it is 0.06%. Each of the compared opponents supports Bi-amping. Both Onkyo TX-NR555 and Yamaha RX-V6A can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
These units have the same Wi-Fi modules. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay versus AirPlay, AirPlay 2 respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Onkyo TX-NR555 works with Deezer, TIDAL, Pandora, but the Yamaha RX-V6A works with Deezer, TIDAL, Pandora, SiriusXM, Qobuz. Signaling over HDMI in standby mode can provide the TX-NR555 and the RX-V6A. Video scaling is only possible with the RX-V6A. Operation with the Dolby Vision is only possible with the RX-V6A.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-NR555 has 6/1, and the RX-V6A has 7/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the RX-V6A. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The TX-NR555 has support for the standard HDCP 2.2, compared to the RX-V6A, which supports the standard HDCP 2.3. 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. There is an ECO mode in either AV receiver. The Yamaha RX-V6A 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.