Denon AVR-X4500H vs Onkyo TX-RZ820

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The Denon AVR-X4500H versus Onkyo TX-RZ820 comparison makes clear all pros and cons of AV receivers. According to the results of our review, Denon AVR-X4500H received 9.4 points out of 10 possible, and Onkyo TX-RZ820 was rated 7.7 points. The release date of AVR-X4500H is 2018, and TX-RZ820 is 2017. Identified advantages have shown that AVR-X4500H is better over TX-RZ820 mainly as a home theater processor.

Main advantages Denon AVR-X4500H over Onkyo TX-RZ820

Main advantages Onkyo TX-RZ820 over Denon AVR-X4500H

Amplifiers

For the built-in amplifier, the models have rated 9 points out of 10.

The number of channels is equal to the number of possible connected speakers. The Denon AVR-X4500H supports 9.2-channels sound, but Onkyo TX-RZ820 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. 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 AVR-X4500H it is 125/8 W/Ohm.

Audio features

After reviewing the audio features of each model, we can rate the AVR-X4500H 9 out of 10, and the TX-RZ820 - 8.

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. Denon AVR-X4500H can work with the main and additional set of speakers - and switch between them.

Connectivity

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.

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, Denon AVR-X4500H got 10 points, but Onkyo TX-RZ820 received 8 points.

Denon AVR-X4500H is equipped with 8/3 HDMI inputs and outputs, and Onkyo TX-RZ820 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 Denon AVR-X4500H.

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 AVR-X4500H were rated 10 out of 10 against the 7 for the TX-RZ820.

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 Denon AVR-X4500H.

Additional features

In terms of evaluating additional features, the AVR-X4500H got 10 points, but the TX-RZ820 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 AVR-X4500H can be controlled by voice via Amazon Alexa.

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

Denon AVR-X4500H got 9 points for the multichannel surround sound and Onkyo TX-RZ820 got 7.

Auro 3D gives a bit more versatility than Dolby Atmos or DTS:X and provides a hemispherical sound and enables a receiver to produce 3D sound stages. Only the Denon AVR-X4500H has Auro-3D on its feature list.