Having had an opportunity to test Marantz AV8805 vs Denon AVR-X2500H, I’d like to share my impression here to facilitate your choice of a new AV receiver.
The number of channels for receivers is different - 13.2 versus 7.2, respectively, for devices. A common feature for devices is the same total harmonic distortion - 0.08%.
Competitive models use the same DAC. Each of the compared opponents supports Bi-amping. Both Marantz AV8805 and Denon AVR-X2500H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet access via WIFI is possible on both units. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Marantz AV8805 works with Deezer, TIDAL, Pandora, SiriusXM, TuneIn Radio, but the Denon AVR-X2500H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud. 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 AV8805 and the AVR-X2500H. Video scaling is only possible with the AV8805. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the AV8805 has 8/3, and the AVR-X2500H has 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AV8805. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AV8805 and AVR-X2500H support the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Unlike the AV8805 where 3 Multi zones is provided, the AVR-X2500H works with 2 Multi zones. Voice control is performed using Amazon Alexa, Google Assistant, Siri, Josh.AI in both models. There is an ECO mode in either AV receiver. The Marantz AV8805 and the Denon AVR-X2500H 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.