An overview of Denon AVRS730H and Onkyo TX-RZ630 will help us understand the many features that the devices are equipped with. According to the results of our review, Denon AVRS730H received 7.3 points out of 10 possible, and Onkyo TX-RZ630 was rated 7.8 points. The release date of AVRS730H is 2017, and TX-RZ630 is 2018. And as a result of the review, it becomes clear that AVRS730H is inferior in audio processing features to TX-RZ630.
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. The Denon AVRS730H supports 7.2-channels sound, but Onkyo TX-RZ630 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 TX-RZ630 this value is 90/8 W/Ohm, and for the AVRS730H it is 75/8 W/Ohm.
|Stereo power (RMS), W/Ohm||75/8, 110/6||90/8, 215/6|
|Output impedance, Ohm||8, 6||8, 6|
|THD in stereo, %||0.08||0.08|
After reviewing the audio features of each model, we can rate the AVRS730H 6 out of 10, and the TX-RZ630 - 9.
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 on the TX-RZ630.
Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Onkyo TX-RZ630 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)||384 KHz/32-bit||AK4458 384 KHz/32-bit|
|Pure direct (straight)||✖||✔|
|Auto speaker calibration||Audyssey MultEQ||AccuEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||Hi-Res audio, Audyssey Dynamic EQ, Dynamic Volume||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.
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 2||AirPlay|
|Other streaming services||Deezer, TIDAL, iHeart Radio, Sirius XM, Sound Cloud, Napster||Deezer, 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, Denon AVRS730H got 6 points, but Onkyo TX-RZ630 received 7 points.
Denon AVRS730H is equipped with 6/1 HDMI inputs and outputs, and Onkyo TX-RZ630 has 7/2 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-RZ630 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||USB, 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 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||has not||BT.2020, HLG|
In terms of evaluating additional features, the AVRS730H got 10 points, but the TX-RZ630 has 8.
Only the Denon AVRS730H has the ECO mode.
|Voice control||Amazon Alexa, Google Assistant, Siri, Josh.AI||Google Assistant|
|App control||iPhone, iPad, Mac, 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||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||speaker, preout|
|Zone HDMI output||✖||✔|
|Multi-room control||HEOS App, Denon 2016 AVR Remote||Onkyo Controller app|
|Remote control input/output (IR)||0/0||1/0|
|DC trigger output (12V)||0||1|
For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.
|Dolby (other)||has not||Dolby Digital Plus|
|DTS HD Master||✔||✔|
|DTS (other)||has not||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS|