Onkyo TX-RZ730 vs Yamaha RX-A4A

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Votes 1 1
Rating 5 5

TX-RZ730 vs RX-A4A comparison chart

Onkyo TX-RZ730 vs Yamaha RX-A4A review

Onkyo TX-RZ730
vs
Yamaha RX-A4A

To get informed with the specs of the receivers, we suggest you read the Onkyo TX-RZ730 and Yamaha RX-A4A review. According to the results of our review, Onkyo TX-RZ730 received 7.8 points out of 10 possible, and Yamaha RX-A4A was rated 8.7 points. The release date of TX-RZ730 is 2018, and RX-A4A is 2021. This review shows us that the RX-A4A is a better choice as a home AV receiver than the TX-RZ730.

Main advantages Onkyo TX-RZ730 over Yamaha RX-A4A

  • More channels, namely 9, makes this receiver more profitable than its 7-channel competitor.
  • Both receivers have a multi-room zone function, but TX-RZ730 has 3 zones vs 2 on its competitor.

Main advantages Yamaha RX-A4A over Onkyo TX-RZ730

  • Include HDMI eARC function.
  • 8K/60Hz signal pass-through is available.

Amplifiers

For the built-in amplifier, the devices received different marks - 7 and 8, respectively, on a 10-point scale.

TX-RZ730
7
RX-A4A
8

The number of channels is equal to the number of possible connected speakers. The Onkyo TX-RZ730 supports 9.2-channels sound, but Yamaha RX-A4A supports a 7.2-channels configuration.

RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced.

TX-RZ730 RX-A4A
Channels9.27.2
Stereo power (RMS), W/Ohm175/6110/8
Output impedance, Ohm68
Frequency response5Hz-100KHz10Hz-100KHz
THD in stereo, %0.080.06

Audio features

The score for audio features is 9 of 10 for both receivers.

TX-RZ730
9
RX-A4A
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.

TX-RZ730 RX-A4A
Digital to analog converter (DAC)AK4458 384 KHz/32-bit384 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAccuEQYPAO
Speaker A/B switching
Other audio featuresAdvanced Music Optimizer, Theater-Dimensional, Hi-Res audioCINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT

Connectivity

The connectivity of competitors in our comparison is markedly different, Onkyo TX-RZ730 scored 8, and Yamaha RX-A4A scored 9 out of 10.

TX-RZ730
8
RX-A4A
9

Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.

TX-RZ730 RX-A4A
Wi-Fi2.4/5GHz2.4/5GHz
USB1 (USB 2.0)1 (USB 2.0)
Bluetooth
Ethernet (RJ45)11
DLNA
MHL

Streaming services

Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.

TX-RZ730 RX-A4A
Apple Music (AirPlay)AirPlayAirPlay, AirPlay 2
Amazon Music
Spotify
Other streaming servicesDeezer, TIDAL, TuneIn RadioDeezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud

Extensive connections

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.

TX-RZ730
8
RX-A4A
8

Onkyo TX-RZ730 is equipped with 7/2 HDMI inputs and outputs, and Yamaha RX-A4A has 7/3 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 Yamaha RX-A4A.

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 Onkyo TX-RZ730 in the HDCP 2.2 version, and Yamaha RX-A4A has the HDCP 2.3 version.

TX-RZ730 RX-A4A
HDMI input/output7/27/3
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)HDCP 2.2HDCP 2.3
Subwoofer output (LFE)22
Headphone output1 x 6.31 x 6.3
Optical digital input22
Coaxial digital input11
Composite input20
Component input/output2/00
Phono (MM) input
Front panel connectorsHDMI, phones, setup mic, AUXUSB, phones, setup mic
Multi channel preamp output

Video features

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 TX-RZ730 were rated 7 out of 10 against the 8 for the RX-A4A.

TX-RZ730
7
RX-A4A
8

With the 4K pass-through feature, the AV receiver sends "native" 4K signals to a 4K TV from a video source without any processing. The TX-RZ730 works with the 4K/60Hz video, and the RX-A4A has the 4K/120Hz.

The AV receiver passes "native" 8K signals from a video source to 8K TV without any encoding, with the 8k pass-through features. The 8K path-through is available on Yamaha RX-A4A.

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 with Yamaha RX-A4A.

TX-RZ730 RX-A4A
HDR (High Dynamic Range)HDR10HDR10+
4K signal pass-through4K/60Hz4K/120Hz
8K signal pass-through8K/60Hz
HDMI signal pass-through
3D signal pass-through
HDMI pass-through in standby mode
Video conversion
Analog to HDMI scaling
HDMI to HDMI scaling
Dolby Vision
Other video featuresDeepColor, x.v.Color, HLG, BT.2020x.v.Color, HLG, BT.2020, LipSync

Additional features

In terms of evaluating additional features, the TX-RZ730 got 8 points, but the RX-A4A has 10.

TX-RZ730
8
RX-A4A
10

Yamaha RX-A4A has the ECO mode.

TX-RZ730 RX-A4A
Voice controlGoogle AssistantAmazon Alexa, Google Assistant, Siri, Josh.AI
App controliPhone, iPod, AndroidiPhone, iPad, iPod, Android
Displayfluorescentcolour OSD
TunerAM, FMAM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware updatenetwork, USBnetwork, USB
Other additional featuresIP ControlWeb Control, App Control

Multi-room

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.

TX-RZ730 RX-A4A
Multi-room zones32
Zone audio outputspeaker, preoutpreout
Zone HDMI output
Multi-room controlOnkyo Controller app, FlareConnectMusicCast
RS-23210
Remote control input/output (IR)1/01/1
DC trigger output (12V)12

Multichannel surround

For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.

TX-RZ730
7
RX-A4A
7

TX-RZ730 RX-A4A
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Digital PlusDolby Digital Plus, Dolby Atmos Height Virtualization
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESSDTS-ES, DTS-HD
Auro-3D
IMAX Enhanced
Multichannel stereo
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