Being able to compare Pioneer Elite SC-LX904 and Pioneer VSX-LX503 gave us an insight into what of them would be better for home theater configuration. According to the results of our review, Pioneer Elite SC-LX904 received 9.2 points out of 10 possible, and Pioneer VSX-LX503 was rated 8.6 points. The release date of Elite SC-LX904 is 2019, and VSX-LX503 is 2018. Elite SC-LX904 is more performable in terms of audio broadcast than the VSX-LX503.
For the built-in amplifier, the devices received different marks - 10 and 9, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Pioneer Elite SC-LX904 supports 11.2-channels sound, but Pioneer VSX-LX503 supports a 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 Elite SC-LX904 this value is 140/8 W/Ohm, and for the VSX-LX503 it is 120/8 W/Ohm.
|Stereo power (RMS), W/Ohm||140/8||120/8, 230/6|
|Output impedance, Ohm||8||8, 6|
|THD in stereo, %||0.08||0.08|
After reviewing the audio features of each model, we can rate the Elite SC-LX904 10 out of 10, and the VSX-LX503 - 9.
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.
Speaker A/B switching allows you to change between the main and sub speaker set. Pioneer Elite SC-LX904 can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||ES9026PRO 384 KHz/32-bit||AK4458 384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||MCACC||MCACC|
|Speaker A/B switching||✔||✖|
|Other audio features||Advanced Sound Retriever, Hi-Res audio||Advanced Sound Retriever, Hi-Res audio, Reflex Optimizer|
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||1 (USB 2.0)||2 (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 2||AirPlay|
|Other streaming services||Deezer, TIDAL, Pandora||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, Pioneer Elite SC-LX904 got 9 points, but Pioneer VSX-LX503 received 8 points.
Pioneer Elite SC-LX904 is equipped with 7/3 HDMI inputs and outputs, and Pioneer VSX-LX503 has 7/2 HDMI inputs and outputs.
HDMI eARC is the next step in the development of audio return channel technology, which works in conjunction with HDMI 2.1. Using eARC provides the highest sound quality for home audio systems. HDMI eARC is available only on Pioneer Elite SC-LX904.
The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Pioneer Elite SC-LX904 in the HDCP 2.3 version, and Pioneer VSX-LX503 has the HDCP 2.2 version.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✔||✖|
|Digital content protection (HDCP)||HDCP 2.3||HDCP 2.2|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||3||2|
|Coaxial digital input||2||1|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, HDMI, phones, setup mic||USB, HDMI, phones, setup mic|
|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 rivals in our comparison were rated 10 out of 10.
|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||x.v.Color, HLG, BT.2020||DeepColor, x.v.Color, HLG, BT.2020|
In terms of evaluating additional features, the Elite SC-LX904 got 9 points, but the VSX-LX503 has 8.
|Voice control||Amazon Alexa||Google Assistant|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, iPod, Android|
|Display||colour OSD||colour OSD|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✔|
|Graphical user interface (GUI)||✔||✔|
|Firmware update||network, USB||network, USB|
|Other additional features||has not||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||✔||✔|
|Multi-room control||Pioneer Control App, FlareConnect||FlareConnect|
|Remote control input/output (IR)||1/1||1/1|
|DC trigger output (12V)||2||2|
Pioneer Elite SC-LX904 got 8 points for the multichannel surround sound and Pioneer VSX-LX503 got 7.
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. Only the Elite SC-LX904 licensed by IMAX.
|Dolby (other)||Dolby Digital Plus, Dolby Atmos Height Virtualization||Dolby Digital Plus|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS|