An affordable AV receiver is always a good option to consider, so Marantz NR1504 vs Marantz NR1711 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Marantz NR1504 has 5.1 versus 7.2 for Marantz NR1711. Regarding power, then NR1504 has such a W/Ohm ratio - 50/8, 60/6 when NR1711 has a power of 50/8, 70/6. The THD is the same and is 0.08%. Only the NR1711 supports Bi-amping feature. 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 NR1504 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The NR1504 can work with the audio stream from Pandora, SiriusXM, and the NR1711 can receive a content from Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud. HDMI signal transmission in standby mode is implemented in each of the devices. The NR1711 can scale the input HDMI signal, unlike the NR1504. Dolby Vision technology found support only on the NR1711.
Each receiver has 6/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the NR1711. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The NR1504 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the NR1711. The NR1711 has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the NR1711. Both NR1504 and NR1711 can be configured using the Setup assistant.
Only the NR1711 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the NR1711.