An affordable AV receiver is always a good option to consider, so Pioneer VSX-LX303 vs Onkyo TX-SR393 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer VSX-LX303 has 9.2 versus 5.2 for Onkyo TX-SR393. Regarding power, then VSX-LX303 has such a W/Ohm ratio - 100/8, 200/6 when TX-SR393 has a power of 80/8, 155/6. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for VSX-LX303 and AKM 384 KHz/32-bit for the TX-SR393. Only the VSX-LX303 supports Bi-amping feature. The Pioneer VSX-LX303 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Only the VSX-LX303 supports Spotify.
Both AV receivers support HDR10 technology (High dynamic range). 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 Pioneer VSX-LX303 has 7/2 HDMI inputs/outputs versus 4/1 HDMI connectors of the Onkyo TX-SR393. 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-LX303 has a built-in phono stage for connecting a vinyl player.
The VSX-LX303 supports 3 Multi-room zones, versus 2 for the TX-SR393. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Pioneer VSX-LX303.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.