What is better - Marantz AV7703 vs Denon HEOS AVR?
The number of channels for receivers is different - 11.2 versus 5.1, respectively, for devices. The value of total harmonic distortion is also different, and for the AV7703 it is 0.08%, but for the HEOS AVR it is 0.05%. The Bi-amping function is implemented only in the Marantz AV7703. Both Marantz AV7703 and Denon HEOS AVR can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Marantz AV7703 works with Deezer, TIDAL, Pandora, Napster, iHeart Radio, SiriusXM, Sound Cloud, but the Denon HEOS AVR works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.
Support for the HDR function can only boast of the AV7703. 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 AV7703 and the HEOS AVR. Video scaling is only possible with the AV7703. Operation with the Dolby Vision is only possible with the AV7703.
The number of HDMI inputs/outputs varies depending on the receiver, the AV7703 has 8/3, and the HEOS AVR has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the AV7703 and the HEOS AVR. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AV7703 and HEOS AVR support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Marantz AV7703. For voice control in the AV7703 is used Amazon Alexa, Google Assistant, Siri, Josh.AI, but in the HEOS AVR is used Amazon Alexa, Google Assistant. There is an ECO mode in AV7703. The Marantz AV7703 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AV7703. Only in the AV7703 realized a DTS:X surround technology.