An overview of Denon AVR-X4700H and Yamaha RX-A8A will help us understand the many features that the devices are equipped with. According to the results of our review, Denon AVR-X4700H received 9.6 points out of 10 possible, and Yamaha RX-A8A was rated 9.4 points. The release date of AVR-X4700H is 2020, and RX-A8A is 2021. And as a result of the review, it becomes clear that RX-A8A is inferior in audio processing features to AVR-X4700H.
For the built-in amplifier, the devices received different marks - 9 and 10, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Denon AVR-X4700H supports 9.2-channels sound, but Yamaha RX-A8A 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 RX-A8A this value is 150/8 W/Ohm, and for the AVR-X4700H it is 125/8 W/Ohm.
|Stereo power (RMS), W/Ohm||125/8, 165/6||150/8|
|Output impedance, Ohm||8, 6||8|
|THD in stereo, %||0.05||0.06|
The score for audio features is 9 of 10 for both receivers.
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-X4700H can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||N/A||384 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||Audyssey MultEQ XT32||YPAO|
|Speaker A/B switching||✔||✖|
|Other audio features||Audyssey Dynamic Volume, Audyssey Dynamic EQ, Audyssey LFC, Hi-Res audio||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT|
The connectivity of competitors in our comparison is markedly different, Denon AVR-X4700H scored 10, and Yamaha RX-A8A scored 9 out of 10.
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 Denon AVR-X4700H.
|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||AirPlay, AirPlay 2|
|Other streaming services||Deezer, TIDAL, Pandora, SiriusXM, Qobuz, TuneIn Radio||Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud|
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 10 points on our 10-point scale.
Denon AVR-X4700H is equipped with 8/3 HDMI inputs and outputs, and Yamaha RX-A8A has 7/3 HDMI inputs and outputs.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✔||✔|
|Digital content protection (HDCP)||HDCP 2.3||HDCP 2.3|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||3|
|Coaxial digital input||2||2|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, HDMI, phones, setup mic, AUX||USB, 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 AVR-X4700H were rated 10 out of 10 against the 9 for the RX-A8A.
|HDR (High Dynamic Range)||HDR10||HDR10+|
|4K signal pass-through||4K/120Hz||4K/120Hz|
|8K signal pass-through||8K/60Hz||8K/60Hz|
|HDMI signal pass-through||✔||✔|
|3D signal pass-through||✔||✖|
|HDMI pass-through in standby mode||✔||✔|
|Video conversion||analog to HDMI||analog to HDMI|
|Analog to HDMI scaling||✔||✔|
|HDMI to HDMI scaling||✔||✔|
|Other video features||HLG, BT.2020, Dynamic HDR||x.v.Color, HLG, BT.2020, LipSync|
In terms of evaluating additional features, both receivers received a score of 10 out of 10.
|Voice control||Amazon Alexa, Google Assistant, Siri, Josh.AI||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||IP Control, Web Control, RS-232 Control, App Control||Web Control, App 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||preout|
|Zone HDMI output||✔||✔|
|Multi-room control||HEOS App, Denon 2016 AVR Remote||MusicCast|
|Remote control input/output (IR)||1/1||1/1|
|DC trigger output (12V)||2||2|
Denon AVR-X4700H got 9 points for the multichannel surround sound and Yamaha RX-A8A got 8.
Each of these devices 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 AVR-X4700H licensed by IMAX.
|Dolby (other)||Dolby Digital Plus, Dolby Atmos Height Virtualization||Dolby Digital Plus, Dolby Atmos Height Virtualization|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS-ES, DTS-HD|