An affordable AV receiver is always a good option to consider, so Yamaha RX-V671 vs Marantz NR1711 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-V671 has 7.1 versus 7.2 for Marantz NR1711. Regarding power, then RX-V671 has such a W/Ohm ratio - 90/8, 150/4 when NR1711 has a power of 50/8, 70/6. The THD is 0.09% for the RX-V671 but 0.08% for the NR1711. Both the RX-V671 and the NR1711 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. Only the NR1711 supports Spotify. The RX-V671 can work with the audio stream from Napster, 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. Both rivals can scale the resolution of the incoming HDMI signal. 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 RX-V671 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the NR1711. 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. An ECO mode is only available for the NR1711. The setup assistant will help you configure Marantz NR1711.
Only the NR1711 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the NR1711.