Being able to compare Pioneer SC-LX502 and Onkyo TX-NR777 gave us an insight into what of them would be better for home theater configuration. According to the results of our review, Pioneer SC-LX502 received 8.1 points out of 10 possible, and Onkyo TX-NR777 was rated 6.8 points. Both AV receivers were introduced in 2017. SC-LX502 is more performable in terms of audio broadcast than the TX-NR777.
For the built-in amplifier, the devices received different marks - 8 and 7, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 7.2-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 SC-LX502 this value is 120/8 W/Ohm, and for the TX-NR777 it is 110/8 W/Ohm.
|Stereo power (RMS), W/Ohm||120/8, 225/6||110/8|
|Output impedance, Ohm||8, 6||8|
|THD in stereo, %||0.08||0.08|
After reviewing the audio features of each model, we can rate the SC-LX502 10 out of 10, and the TX-NR777 - 7.
Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Pioneer SC-LX502 has Pure Direct mode.
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 SC-LX502 can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||AK4458 768 KHz/32-bit||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||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|
|Other streaming services||Deezer, TIDAL, Pandora, TuneIn Radio||TIDAL, Pandora|
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 SC-LX502 got 8 points, but Onkyo TX-NR777 received 7 points.
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||2|
|Coaxial digital input||1||1|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, HDMI, phones, setup mic, AUX||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 SC-LX502 were rated 10 out of 10 against the 6 for the TX-NR777.
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 SC-LX502.
|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 scaling||✔||✖|
|HDMI to HDMI scaling||✔||✖|
|Other video features||DeepColor, x.v.Color, HLG||HLG, BT.2020|
In terms of evaluating additional features, the SC-LX502 got 7 points, but the TX-NR777 has 6.
|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||has not|
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||FlareConnect||Onkyo Controller app, 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 7 points out of 10.
|Dolby (other)||Dolby Digital Plus||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|