Sony STR-ZA2100ES vs Yamaha RX-A770BL

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Let's make the Sony STR-ZA2100ES versus Yamaha RX-A770BL comparison. According to the results of our review, Sony STR-ZA2100ES received 6.5 points out of 10 possible, and Yamaha RX-A770BL was rated 8.1 points. Both AV receivers were introduced in 2017. After comparison, it will become clear that among these two devices, the RX-A770BL is more suitable for the role of the heart of home theater system.

Main advantages Sony STR-ZA2100ES over Yamaha RX-A770BL

Main advantages Yamaha RX-A770BL over Sony STR-ZA2100ES

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. 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 RX-A770BL this value is 95/8 W/Ohm, and for the STR-ZA2100ES it is 75/8 W/Ohm.

Audio features

After reviewing the audio features of each model, we can rate the STR-ZA2100ES 7 out of 10, and the RX-A770BL - 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.

Connectivity

The connectivity of competitors in our comparison is markedly different, Sony STR-ZA2100ES scored 6, and Yamaha RX-A770BL scored 8 out of 10.

Wireless connection via Wi-Fi is possible on the Yamaha RX-A770BL.

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 Yamaha RX-A770BL.

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-ZA2100ES got 7 points, but Yamaha RX-A770BL received 8 points.

Sony STR-ZA2100ES is equipped with 6/2 HDMI inputs and outputs, and Yamaha RX-A770BL has 6/1 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-ZA2100ES.

Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the RX-A770BL 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 10 out of 10.

Additional features

In terms of evaluating additional features, the STR-ZA2100ES got 7 points, but the RX-A770BL 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 RX-A770BL can be controlled by voice via Amazon Alexa. Yamaha RX-A770BL has the ECO mode.

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-ZA2100ES licensed by IMAX.