Yamaha RX-A6A vs Denon DRA-900H review

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AV receivers comparison chart

Yamaha RX-A6A vs Denon DRA-900H review

Yamaha RX-A6A
Denon DRA-900H

The present review is aimed to compare two AV receivers - Yamaha RX-A6A vs Denon DRA-900H that are meant to satisfy the needs of cinema and music lovers.


A significant difference between the receivers in the number of channels, Yamaha RX-A6A has 9.2 versus 2.2 for Denon DRA-900H. Regarding power, then RX-A6A has such a W/Ohm ratio - 150/8 when DRA-900H has a power of 100/8, 120/6. The THD is 0.06% for the RX-A6A but 0.08% for the DRA-900H.

Audio features

Characteristics of digital to analog converter (DAC) are different, 384 KHz/32-bit for RX-A6A and 192 KHz/32-bit for the DRA-900H. Only the RX-A6A supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.


WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay, AirPlay 2. Spotify can be used on each receiver. The RX-A6A can work with the audio stream from Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, and the DRA-900H can receive a content from Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix.

Video features

Both AV receivers support HDR10+ technology (High dynamic range). Compared AV receivers retain the quality of 4K/120Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both rivals can scale the resolution of the incoming HDMI signal. Dolby Vision technology found support only on the RX-A6A.

Extensive connections

The Yamaha RX-A6A has 7/3 HDMI inputs/outputs versus 6/1 HDMI connectors of the Denon DRA-900H.Yamaha RX-A6A connectionsDenon DRA-900H connections The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.3. These compared receivers have a built-in phono stage for connecting a vinyl player.

Additional features

The RX-A6A supports 3 Multi-room zones, versus 2 for the DRA-900H. Supported voice control technologies are identical - Amazon Alexa, Google Assistant, Siri, Josh.AI. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-A6A and DRA-900H can be configured using the Setup assistant.

Multichannel surround

Only the RX-A6A has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the RX-A6A.

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Yamaha RX-A6A
Denon DRA-900H