Being able to compare Pioneer VSX-LX503 and Onkyo TX-NR797 gave us an insight into what of them would be better for home theater configuration. According to the results of our review, Pioneer VSX-LX503 received 8.6 points out of 10 possible, and Onkyo TX-NR797 was rated 8.5 points. The release date of VSX-LX503 is 2018, and TX-NR797 is 2019. VSX-LX503 is more performable in terms of audio broadcast than the TX-NR797.
For the built-in amplifier, the models have rated 9 points out of 10.
The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 9.2-channels configuration.
RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. The differences between the models in terms of RMS power are significant - for the VSX-LX503 this value is 120/8 W/Ohm, and for the TX-NR797 it is 100/8 W/Ohm.
|Stereo power (RMS), W/Ohm||120/8, 230/6||100/8, 220/6|
|Output impedance, Ohm||8, 6||8, 6|
|THD in stereo, %||0.08||0.08|
The score for audio features is 9 of 10 for both receivers.
Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.
|Digital to analog converter (DAC)||AK4458 384 KHz/32-bit||AK4458 384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||MCACC||AccuEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||Advanced Sound Retriever, Hi-Res audio, Reflex Optimizer||Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio, Dynamic Audio Amplification|
The connectivity of competitors in our comparison is equal and was rated 8 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
|USB||2 (USB 2.0)||1 (USB 2.0)|
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
|Apple Music (AirPlay)||AirPlay||AirPlay, AirPlay 2|
|Other streaming services||Deezer, TIDAL, Pandora, TuneIn Radio||Deezer, TIDAL, Pandora, TuneIn Radio|
The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, both receivers got 8 points on our 10-point scale.
Competitors in our review have 7/2 HDMI inputs and outputs.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✖||✖|
|Digital content protection (HDCP)||HDCP 2.2||HDCP 2.2|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||1|
|Coaxial digital input||1||1|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, HDMI, phones, setup mic||HDMI, phones, setup mic, AUX|
|Multi channel preamp output||✔||✔|
The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of the VSX-LX503 were rated 10 out of 10 against the 8 for the TX-NR797.
|HDR (High Dynamic Range)||HDR10||HDR10|
|4K signal pass-through||4K/60Hz||4K/60Hz|
|8K signal pass-through||✖||✖|
|HDMI signal pass-through||✔||✔|
|3D signal pass-through||✔||✔|
|HDMI pass-through in standby mode||✔||✔|
|Video conversion||analog to HDMI||analog to HDMI|
|Analog to HDMI scaling||✔||✖|
|HDMI to HDMI scaling||✔||✔|
|Other video features||DeepColor, x.v.Color, HLG, BT.2020||DeepColor, x.v.Color, HLG, BT.2020|
In terms of evaluating additional features, the VSX-LX503 got 8 points, but the TX-NR797 has 9.
|Voice control||Google Assistant||Google Assistant|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, iPod, Android|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✔|
|Graphical user interface (GUI)||✔||✔|
|Firmware update||network, USB||network, USB|
|Other additional features||IP Control||IP Control|
As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.
|Zone audio output||speaker, preout||speaker, preout|
|Zone HDMI output||✔||✔|
|Remote control input/output (IR)||1/1||1/0|
|DC trigger output (12V)||2||1|
Pioneer VSX-LX503 got 7 points for the multichannel surround sound and Onkyo TX-NR797 got 8.
IMAX Enhanced is a licensing and certification program under which home theater devices deliver crisp 4K HDR pictures and powerful sound as it was designed by the IMAX engineers. The TX-NR797 licensed by IMAX.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus, Dolby Atmos Height Virtualization|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS|