It’s strongly recommended to compare different receivers if you want to choose the best one: Denon AVR-X4100W vs Marantz NR1506.
The number of channels for receivers is different - 7.2 versus 5.2, respectively, for devices. In terms of power, there are differences, the AVR-X4100W has such a ratio W/Ohm - 125/8, 165/6, while the NR1506 has a power of 50/8, 60/6. A common feature for devices is the same total harmonic distortion - 0.05%.
Competitive models use the same DAC. The Bi-amping function is implemented only in the Denon AVR-X4100W. Both Denon AVR-X4100W and Marantz NR1506 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. Access to the Spotify service is on each of the competitors. Most popular streaming services are available for our models under consideration - Pandora, SiriusXM.
Support for the HDR function can only boast of the NR1506. 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-X4100W and the NR1506. Video scaling is only possible with the AVR-X4100W. Operation with the Dolby Vision is only possible with the AVR-X4100W.
The number of HDMI inputs/outputs varies depending on the receiver, the AVR-X4100W has 8/3, and the NR1506 has 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the AVR-X4100W and the NR1506. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-X4100W. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in either AV receiver. The Denon AVR-X4100W and the Marantz NR1506 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AVR-X4100W. A DTS:X surround technology is not supported by devices from our comparison.