Pioneer SC-LX501 vs Marantz NR1403 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer SC-LX501 has 7.2 versus 5.1 for Marantz NR1403. Regarding power, then SC-LX501 has such a W/Ohm ratio - 120/8 20Hz-20KHz, 180/6 1KHz when NR1403 has a power of 50/8 20Hz-20KHz, 80/6 1KHz. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for SC-LX501 and 192 KHz/24-bit for the NR1403. Only the SC-LX501 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. Only the SC-LX501 supports Spotify.
Only the Pioneer SC-LX501 has support for High dynamic range (HDR). HDMI signal transmission in standby mode is implemented in each of the devices. The SC-LX501 can scale the input HDMI signal, unlike the NR1403. Dolby Vision technology found support only on the SC-LX501.
The Pioneer SC-LX501 has 7/2 HDMI inputs/outputs versus 6/1 HDMI connectors of the Marantz NR1403. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. 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. The SC-LX501 has a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Pioneer SC-LX501.
Only the SC-LX501 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SC-LX501.
The Pioneer SC-LX501 is better receiver in this comparison. Check Pioneer SC-LX501 price