An overview of Sony STR-ZA2100ES and Denon AVR-X4400H will help us understand the many features that the devices are equipped with. According to the results of our review, Sony STR-ZA2100ES received 6.5 points out of 10 possible, and Denon AVR-X4400H was rated 9.6 points. Both AV receivers were introduced in 2017. And as a result of the review, it becomes clear that STR-ZA2100ES is inferior in audio processing features to AVR-X4400H.
For the built-in amplifier, the devices received different marks - 7 and 10, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Sony STR-ZA2100ES supports 7.2-channels sound, but Denon AVR-X4400H supports a 11.2-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-X4400H this value is 125/8 W/Ohm, and for the STR-ZA2100ES it is 75/8 W/Ohm.
|Stereo power (RMS), W/Ohm||75/8, 95/6||125/8, 165/6|
|Output impedance, Ohm||8, 6||8, 6|
|THD in stereo, %||0.09||0.05|
After reviewing the audio features of each model, we can rate the STR-ZA2100ES 7 out of 10, and the AVR-X4400H - 10.
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-X4400H can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||N/A||AK4458 384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||DCAC EX||Audyssey MultEQ XT32|
|Speaker A/B switching||✖||✔|
|Other audio features||Digital Legato Linear, Sound Optimizer||Audyssey Dynamic Volume, Audyssey Dynamic EQ, Audyssey LFC, Compressed Audio Restorer|
The connectivity of competitors in our comparison is markedly different, Sony STR-ZA2100ES scored 6, and Denon AVR-X4400H scored 9 out of 10.
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, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud|
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 Denon AVR-X4400H received 10 points.
Sony STR-ZA2100ES is equipped with 6/2 HDMI inputs and outputs, and Denon AVR-X4400H has 8/3 HDMI inputs and outputs.
Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the AVR-X4400H has a Phono interface.
|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||2|
|Phono (MM) input||✖||✔|
|Front panel connectors||USB, HDMI, setup mic||USB, HDMI, phones, setup mic, AUX|
|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 9 for the AVR-X4400H.
|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||✔||✔|
|Video conversion||✖||analog to HDMI|
|Analog to HDMI scaling||✔||✔|
|HDMI to HDMI scaling||✔||✔|
|Other video features||HLG||BT.2020, HLG|
In terms of evaluating additional features, the STR-ZA2100ES got 7 points, but the AVR-X4400H 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-X4400H can be controlled by voice via Amazon Alexa, Google Assistant, Siri, Josh.AI. Denon AVR-X4400H has the ECO mode.
|Voice control||✖||Amazon Alexa, Google Assistant, Siri, Josh.AI|
|App control||iPhone, iPad, iPod, Android||iPhone, iPad, iPod, Android|
|Display||colour OSD||colour OSD|
|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, Web 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||2|
Sony STR-ZA2100ES got 7 points for the multichannel surround sound and Denon AVR-X4400H got 9.
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. Denon AVR-X4400H has Auro-3D on its feature list.
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||Dolby Digital Plus|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Surround|