Review of Pioneer Elite SC-LX704 versus Onkyo TX-RZ840 will reveal the best features offered by the devices. According to the results of our review, Pioneer Elite SC-LX704 received 8.8 points out of 10 possible, and Onkyo TX-RZ840 was rated 8.4 points. Both AV receivers were introduced in 2019. Elite SC-LX704 is better suited for home theater use than the TX-RZ840. Its sound profile is better balanced.
For the built-in amplifier, the models have rated 8 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.
|Stereo power (RMS), W/Ohm||135/8||180/6|
|Output impedance, Ohm||8||6|
|THD in stereo, %||0.08||0.08|
After reviewing the audio features of each model, we can rate the Elite SC-LX704 10 out of 10, and the TX-RZ840 - 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-LX704 can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||ES9026PRO 384 KHz/32-bit||AKM 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||Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio|
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)||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 2||AirPlay, AirPlay 2|
|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, both receivers got 8 points on our 10-point scale.
Pioneer Elite SC-LX704 is equipped with 7/3 HDMI inputs and outputs, and Onkyo TX-RZ840 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 on Onkyo TX-RZ840.
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-LX704 in the HDCP 2.3 version, and Onkyo TX-RZ840 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||1|
|Coaxial digital input||2||1|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, HDMI, phones, setup mic||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 the Elite SC-LX704 were rated 10 out of 10 against the 8 for the TX-RZ840.
Most of the AV receivers have a video scaling function, it is the process of reformatting the video signal to a higher resolution without losing the quality of the image. Upscaling the video signal resolution is possible only with Pioneer Elite SC-LX704.
|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, both receivers received a score of 9 out of 10.
|Voice control||Amazon Alexa||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||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||1/0|
|DC trigger output (12V)||2||1|
For the ability to create multichannel surround sound, each of the receivers received 8 points out of 10.
Rivals in this competition licensed by IMAX.
|Dolby (other)||Dolby Digital Plus, Dolby Atmos Height Virtualization||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|