Marantz AV7703 vs Denon AVR-X7200WA comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Marantz AV7703 has 11.2 versus 9.2 for Denon AVR-X7200WA. The THD is 0.08% for the AV7703 but 0.05% for the AVR-X7200WA.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/32-bit for AV7703 and AK4490 384 KHz/32-bit for the AVR-X7200WA. Both the AV7703 and the AVR-X7200WA support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Marantz AV7703 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The AV7703 can work with the audio stream from Deezer, TIDAL, Pandora, Napster, iHeart Radio, SiriusXM, Sound Cloud, and the AVR-X7200WA can receive a content from Pandora, SiriusXM.
Only the Marantz AV7703 has support for High dynamic range (HDR). Compared AV receivers retain the quality of 4K/60Hz 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 AV7703.
Each receiver has 8/3 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. 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 2.2. These compared receivers have a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 3 Multi-room zones. It is also worth noting that the ECO mode is presented in each of the receivers. Both AV7703 and AVR-X7200WA can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.