Sony STR-ZA3100ES vs Onkyo TX-RZ830

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The Sony STR-ZA3100ES versus Onkyo TX-RZ830 comparison makes clear all pros and cons of AV receivers. According to the results of our review, Sony STR-ZA3100ES received 6.3 points out of 10 possible, and Onkyo TX-RZ830 was rated 8 points. The release date of STR-ZA3100ES is 2017, and TX-RZ830 is 2018. Identified advantages have shown that TX-RZ830 is better over STR-ZA3100ES mainly as a home theater processor.

Main advantages Sony STR-ZA3100ES over Onkyo TX-RZ830

Main advantages Onkyo TX-RZ830 over Sony STR-ZA3100ES

Amplifiers

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

The number of channels is equal to the number of possible connected speakers. The Sony STR-ZA3100ES supports 7.2-channels sound, but Onkyo TX-RZ830 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-RZ830 this value is 180/6 W/Ohm, and for the STR-ZA3100ES it is 90/6 W/Ohm.

Audio features

After reviewing the audio features of each model, we can rate the STR-ZA3100ES 7 out of 10, and the TX-RZ830 - 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.

Connectivity

The connectivity of competitors in our comparison is markedly different, Sony STR-ZA3100ES scored 6, and Onkyo TX-RZ830 scored 8 out of 10.

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

Streaming services

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

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, Sony STR-ZA3100ES got 9 points, but Onkyo TX-RZ830 received 8 points.

Sony STR-ZA3100ES is equipped with 6/2 HDMI inputs and outputs, and Onkyo TX-RZ830 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 only on Sony STR-ZA3100ES.

Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the TX-RZ830 has a Phono interface.

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 rivals in our comparison were rated 7 out of 10.

Additional features

In terms of evaluating additional features, the STR-ZA3100ES got 6 points, but the TX-RZ830 has 8.

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 TX-RZ830 can be controlled by voice via Google Assistant.

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.

Multichannel surround

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

IMAX Enhanced is a licensing and certification program under which home theater devices deliver crisp 4K HDR pictures and powerful sound as it was designed by the IMAX engineers. Only the STR-ZA3100ES licensed by IMAX.