An affordable AV receiver is always a good option to consider, so Onkyo TX-RZ920 vs Pioneer VSX-1131 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Onkyo TX-RZ920 has 9.2 versus 7.2 for Pioneer VSX-1131. Regarding power, then TX-RZ920 has such a W/Ohm ratio - 135/8, 175/6 when VSX-1131 has a power of 100/8, 170/6. The THD is 0.04% for the TX-RZ920 but 0.08% for the VSX-1131.
Characteristics of digital to analog converter (DAC) are different, AK4490 384 KHz/32-bit for TX-RZ920 and AK4458 384 KHz/32-bit for the VSX-1131. Both the TX-RZ920 and the VSX-1131 support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Onkyo TX-RZ920 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. Deezer, TIDAL, Pandora, TuneIn Radio - all of these streaming services have found application in each of the models. 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. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Onkyo TX-RZ920 has 8/2 HDMI inputs/outputs versus 7/2 HDMI connectors of the Pioneer VSX-1131. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the TX-RZ920. 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. These compared receivers have a built-in phono stage for connecting a vinyl player.
The TX-RZ920 supports 3 Multi-room zones, versus 2 for the VSX-1131. An ECO mode is not present in each of the AV receivers. Both TX-RZ920 and VSX-1131 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.
The Onkyo TX-RZ920 is better receiver in this comparison. Check Onkyo TX-RZ920 price