An affordable AV receiver is always a good option to consider, so Denon AVR-X2500H vs Marantz SR6013 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Denon AVR-X2500H has 7.2 versus 9.2 for Marantz SR6013. Regarding power, then AVR-X2500H has such a W/Ohm ratio - 95/8, 125/6 when SR6013 has a power of 110/8, 150/6. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, AK4490 384 KHz/32-bit for AVR-X2500H and AK4458 384 KHz/32-bit for the SR6013. Both the AVR-X2500H and the SR6013 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 Apple Music service is implemented on considered devices: AirPlay, AirPlay 2. Spotify can be used on each receiver. The AVR-X2500H can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, and the SR6013 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio. 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. The SR6013 can scale the input HDMI signal, unlike the AVR-X2500H. The HDR standard - Dolby Vision is supported by these receivers.
The Denon AVR-X2500H has 8/2 HDMI inputs/outputs versus 8/3 HDMI connectors of the Marantz SR6013. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the SR6013. 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 2 Multi-room zones. 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 AVR-X2500H and SR6013 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.