Let's compare Onkyo TX-RZ820 versus Denon AVRS730H for an overview of all their pros and cons. According to the results of our review, Onkyo TX-RZ820 received 7.7 points out of 10 possible, and Denon AVRS730H was rated 7.3 points. Both AV receivers were introduced in 2017. And as a result of the comparison, TX-RZ820 seems to be a better option for the role of a home theater center than AVRS730H.
For the built-in amplifier, the devices received different marks - 9 and 8, 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 TX-RZ820 this value is 160/8 W/Ohm, and for the AVRS730H it is 75/8 W/Ohm.
|Stereo power (RMS), W/Ohm||160/8||75/8, 110/6|
|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 TX-RZ820 8 out of 10, and the AVRS730H - 6.
Bi-amping is the amplification of one speaker with two amplifiers. This amplification method has a positive effect on sound quality. Bi-amping is possible only on the TX-RZ820.
Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Onkyo TX-RZ820 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.
|Digital to analog converter (DAC)||AK4458 384 KHz/32-bit||384 KHz/32-bit|
|Pure direct (straight)||✔||✖|
|Auto speaker calibration||AccuEQ||Audyssey MultEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||has not||Hi-Res audio, Audyssey Dynamic EQ, Dynamic Volume|
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.
DLNA is the perfect way to use your local cloud storage to stream movies and music directly to a TV. You can use the DLNA protocol only with Denon AVRS730H.
|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, AirPlay 2|
|Other streaming services||Deezer, TIDAL||Deezer, TIDAL, iHeart Radio, Sirius XM, Sound Cloud, Napster|
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, Onkyo TX-RZ820 got 8 points, but Denon AVRS730H received 6 points.
Onkyo TX-RZ820 is equipped with 7/2 HDMI inputs and outputs, and Denon AVRS730H has 6/1 HDMI inputs and outputs.
Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the TX-RZ820 has a Phono interface.
|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||HDMI, phones, setup mic||USB, 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 7 out of 10.
|HDR (High Dynamic Range)||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||✔||✔|
|Analog to HDMI scaling||✖||✖|
|HDMI to HDMI scaling||✖||✖|
|Other video features||HLG, BT.2020||has not|
In terms of evaluating additional features, the TX-RZ820 got 8 points, but the AVRS730H has 10.
Voice control allows you to control the basic functions of the receiver through a smartphone, smart speaker or using the microphone that comes with the kit. The AVRS730H can be controlled by voice via Amazon Alexa, Google Assistant, Siri, Josh.AI.
|Voice control||✖||Amazon Alexa, Google Assistant, Siri, Josh.AI|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, Mac, 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|
|Zone HDMI output||✔||✖|
|Multi-room control||FlareConnect||HEOS App, Denon 2016 AVR Remote|
|Remote control input/output (IR)||1/0||0/0|
|DC trigger output (12V)||1||0|
For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.
|Dolby (other)||Dolby Digital Plus||has not|
|DTS HD Master||✔||✔|
|DTS (other)||has not||has not|