What is better - Denon AVR-S650H vs Marantz AV8805?
The number of channels for receivers is different - 5.2 versus 13.2, respectively, for devices. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the AVR-S650H received the model AKM 192 KHz/32-bit, but the AV8805 is equipped with AK4490 384 KHz/32-bit. The Bi-amping function is implemented only in the Marantz AV8805. Both Denon AVR-S650H and Marantz AV8805 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 Denon AVR-S650H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, Mood Mix, but the Marantz AV8805 works with Deezer, TIDAL, Pandora, SiriusXM, TuneIn Radio. 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 AVR-S650H and the AV8805. 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 AVR-S650H has 5/1, and the AV8805 has 8/3. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the AVR-S650H and the AV8805. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The AVR-S650H has support for the standard HDCP 2.3, compared to the AV8805, which supports the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. 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 Denon AVR-S650H and the Marantz AV8805 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AV8805. Only in the AV8805 realized a DTS:X surround technology.