An affordable AV receiver is always a good option to consider, so Pioneer SC-LX901 vs Denon AVR-X1400H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer SC-LX901 has 11.2 versus 7.2 for Denon AVR-X1400H. Regarding power, then SC-LX901 has such a W/Ohm ratio - 140/8, 200/6 when AVR-X1400H has a power of 80/8, 120/6. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, ESS SABRE32 Ultra 192 KHz/32-bit for SC-LX901 and 192 KHz/24-bit for the AVR-X1400H. Both the SC-LX901 and the AVR-X1400H 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 Pioneer SC-LX901 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The SC-LX901 can work with the audio stream from Deezer, TIDAL, Pandora, TuneIn Radio, and the AVR-X1400H can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.
These units support HDR technology. 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 SC-LX901 can scale the input HDMI signal, unlike the AVR-X1400H. The HDR standard - Dolby Vision is supported by these receivers.
The Pioneer SC-LX901 has 8/2 HDMI inputs/outputs versus 6/1 HDMI connectors of the Denon AVR-X1400H. 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-LX901 has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 3 Multi-room zones. An ECO mode is only available for the AVR-X1400H. Both SC-LX901 and AVR-X1400H 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.