An affordable AV receiver is always a good option to consider, so Onkyo TX-SR393 vs Pioneer VSX-1131 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Onkyo TX-SR393 has 5.2 versus 7.2 for Pioneer VSX-1131. Regarding power, then TX-SR393 has such a W/Ohm ratio - 80/8, 155/6 when VSX-1131 has a power of 100/8, 170/6. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, AKM 384 KHz/32-bit for TX-SR393 and AK4458 384 KHz/32-bit for the VSX-1131. Only the VSX-1131 supports Bi-amping feature. The Pioneer VSX-1131 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Only the VSX-1131 supports Spotify. 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-SR393 has 4/1 HDMI inputs/outputs versus 7/2 HDMI connectors of the Pioneer VSX-1131. 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 VSX-1131 has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. 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 VSX-1131.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.