Onkyo TX-NR575 vs Pioneer SC-LX901 – that is a question.
The number of channels for receivers is different - 7.2 versus 11.2, respectively, for devices. In terms of power, there are differences, the TX-NR575 has such a ratio W/Ohm - 135/6, while the SC-LX901 has a power of 140/8, 200/6. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the TX-NR575 received the model 384 KHz/32-bit, but the SC-LX901 is equipped with ESS SABRE32 Ultra 192 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Onkyo TX-NR575 and Pioneer SC-LX901 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
These units have the same Wi-Fi modules. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay, AirPlay 2 versus AirPlay respectively. Access to the Spotify service is on each of the competitors. Most popular streaming services are available for our models under consideration - Deezer, TIDAL, Pandora, TuneIn Radio. 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 TX-NR575 and the SC-LX901. Video scaling is only possible with the SC-LX901. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-NR575 has 4/1, and the SC-LX901 has 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the TX-NR575 and the SC-LX901. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-NR575 and SC-LX901 support the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Unlike the TX-NR575 where 2 Multi zones is provided, the SC-LX901 works with 3 Multi zones. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in neither AV receiver. The Onkyo TX-NR575 and the Pioneer SC-LX901 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.