The Pioneer SC-LX901 vs Denon AVR-X6400H comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
AV receivers under review have the same number of channels. In terms of power, there are differences, the SC-LX901 has such a ratio W/Ohm - 140/8, 200/6, while the AVR-X6400H has a power of 140/8, 250/6. The value of total harmonic distortion is also different, and for the SC-LX901 it is 0.08%, but for the AVR-X6400H it is 0.05%.
The manufacturer installed different DACs, the SC-LX901 received the model ESS SABRE32 Ultra 192 KHz/32-bit, but the AVR-X6400H is equipped with AK4458 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Pioneer SC-LX901 and Denon AVR-X6400H can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay versus AirPlay, AirPlay 2 respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Pioneer SC-LX901 works with Deezer, TIDAL, Pandora, TuneIn Radio, but the Denon AVR-X6400H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.
Support for the HDR function can only boast of each of the AV receivers. 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 SC-LX901 and the AVR-X6400H. Each of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the SC-LX901 has 8/2, and the AVR-X6400H has 8/3. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVR-X6400H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. SC-LX901 and AVR-X6400H support the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Ability to create 3 Multi zones inherent in both AV receivers. There is an ECO mode in AVR-X6400H. The Pioneer SC-LX901 and the Denon AVR-X6400H can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.