Review of Sony STR-ZA2100ES versus Denon AVR-X2400H will reveal the best features offered by the devices. According to the results of our review, Sony STR-ZA2100ES received 6.5 points out of 10 possible, and Denon AVR-X2400H was rated 7.6 points. Both AV receivers were introduced in 2017. AVR-X2400H is better suited for home theater use than the STR-ZA2100ES. Its sound profile is better balanced.
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 AVR-X2400H this value is 95/8 W/Ohm, and for the STR-ZA2100ES it is 75/8 W/Ohm.
|Stereo power (RMS), W/Ohm||75/8, 95/6||95/8, 125/6|
|Output impedance, Ohm||8, 6||8, 6|
|THD in stereo, %||0.09||0.08|
After reviewing the audio features of each model, we can rate the STR-ZA2100ES 7 out of 10, and the AVR-X2400H - 6.
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 only on the STR-ZA2100ES.
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)||N/A||192 KHz/24-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||DCAC EX||Audyssey MultEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||Digital Legato Linear, Sound Optimizer||Hi-Res audio, Audyssey Dynamic EQ, Dynamic Volume|
The connectivity of competitors in our comparison is markedly different, Sony STR-ZA2100ES scored 6, and Denon AVR-X2400H scored 7 out of 10.
Wireless connection via Wi-Fi is possible on the Denon AVR-X2400H.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
|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|
|Other streaming services||has not||Deezer, TIDAL, iHeart Radio, Sirius XM, Sound Cloud, Napster|
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 7 points on our 10-point scale.
Sony STR-ZA2100ES is equipped with 6/2 HDMI inputs and outputs, and Denon AVR-X2400H has 8/2 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-ZA2100ES.
|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||0||1 x 6.3|
|Optical digital input||2||2|
|Coaxial digital input||1||1|
|Phono (MM) input||✖||✖|
|Front panel connectors||USB, HDMI, setup mic||USB, HDMI, phones, setup mic|
|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 the STR-ZA2100ES were rated 10 out of 10 against the 7 for the AVR-X2400H.
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 Sony STR-ZA2100ES.
|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||HLG||HLG|
In terms of evaluating additional features, the STR-ZA2100ES got 7 points, but the AVR-X2400H 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 AVR-X2400H can be controlled by voice via Amazon Alexa, Google Assistant, Siri, Josh.AI. Denon AVR-X2400H has the ECO mode.
|Voice control||✖||Amazon Alexa, Google Assistant, Siri, Josh.AI|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, Mac, Android|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✔|
|Graphical user interface (GUI)||✔||✔|
|Firmware update||network, USB||network, USB|
|Other additional features||has not||IP Control|
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, preout||speaker, preout|
|Zone HDMI output||✔||✖|
|Multi-room control||has not||HEOS App, Denon 2016 AVR Remote|
|Remote control input/output (IR)||1/2||1/1|
|DC trigger output (12V)||3||0|
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.
|Dolby (other)||Dolby Digital Plus||has not|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD||has not|