Onkyo TX-NR555 vs Denon AVR-X6700H review

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An affordable AV receiver is always a good option to consider, so Onkyo TX-NR555 vs Denon AVR-X6700H comparison definitely makes sense.

Amplifier

A significant difference between the receivers in the number of channels, Onkyo TX-NR555 has 7.2 versus 11.2 for Denon AVR-X6700H. Regarding power, then TX-NR555 has such a W/Ohm ratio - 130/6 when AVR-X6700H has a power of 140/8, 175/6. The THD is 0.08% for the TX-NR555 but 0.05% for the AVR-X6700H. Both the TX-NR555 and the AVR-X6700H support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Onkyo TX-NR555 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The TX-NR555 can work with the audio stream from Deezer, TIDAL, Pandora, and the AVR-X6700H can receive a content from Deezer, TIDAL, Pandora, SiriusXM, Qobuz, TuneIn Radio. HDMI signal transmission in standby mode is implemented in each of the devices. The AVR-X6700H can scale the input HDMI signal, unlike the TX-NR555. Dolby Vision technology found support only on the AVR-X6700H.

Extensive connections

The Onkyo TX-NR555 has 6/1 HDMI inputs/outputs versus 8/3 HDMI connectors of the Denon AVR-X6700H. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the AVR-X6700H. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The TX-NR555 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the AVR-X6700H. These compared receivers have a built-in phono stage for connecting a vinyl player.

Additional features

The TX-NR555 supports 2 Multi-room zones, versus 3 for the AVR-X6700H. It is also worth noting that the ECO mode is presented in each of the receivers. The setup assistant will help you configure Denon AVR-X6700H.

Multichannel surround

Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.