Along with the growing popularity of custom home theater builds, the comparison of Yamaha RX-A4A and Denon AVR-S970H takes place. According to the results of our review, Yamaha RX-A4A received 8.7 points out of 10 possible, and Denon AVR-S970H was rated 8.3 points. The release date of RX-A4A is 2021, and AVR-S970H is 2022. Based on the data on the characteristics and features of both models, we can conclude that RX-A4A has better performance than AVR-S970H.
For the built-in amplifier, the devices received different marks - 8 and 7, 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-A4A this value is 110/8 W/Ohm, and for the AVR-S970H it is 90/8 W/Ohm.
|Stereo power (RMS), W/Ohm||110/8||90/8, 125/6|
|Output impedance, Ohm||8||8, 6|
|THD in stereo, %||0.06||0.08|
After reviewing the audio features of each model, we can rate the RX-A4A 9 out of 10, and the AVR-S970H - 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-S970H can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||384 KHz/32-bit||192 KHz/32-bit|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||YPAO||Audyssey MultEQ|
|Speaker A/B switching||✖||✔|
|Other audio features||CINEMA DSP 3D, Compressed Music Enhancer, Virtual CINEMA FRONT||Audyssey Dynamic Volume, Audyssey Dynamic EQ, Audyssey Dynamic LFC, Compressed Audio Enhancer(MDAX2), Hi-Res audio|
The connectivity of competitors in our comparison is markedly different, Yamaha RX-A4A scored 9, and Denon AVR-S970H scored 8 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)||2 (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, Napster, SoundCloud||Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix|
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 8 points on our 10-point scale.
Yamaha RX-A4A is equipped with 7/3 HDMI inputs and outputs, and Denon AVR-S970H has 6/2 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||2|
|Coaxial digital input||1||1|
|Phono (MM) input||✔||✔|
|Front panel connectors||USB, phones, setup mic||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 RX-A4A were rated 8 out of 10 against the 10 for the AVR-S970H.
|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 scaling||✖||✔|
|HDMI to HDMI scaling||✔||✔|
|Other video features||x.v.Color, HLG, BT.2020, LipSync||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||Web Control, App Control||IP Control, Web Control, App Control, RS232 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||preout||speaker|
|Zone HDMI output||✔||✔|
|Multi-room control||MusicCast||HEOS App, Denon 2016 AVR Remote|
|Remote control input/output (IR)||1/1||0/0|
|DC trigger output (12V)||2||0|
Yamaha RX-A4A got 7 points for the multichannel surround sound and Denon AVR-S970H got 8.
|Dolby (other)||Dolby Digital Plus, Dolby Atmos Height Virtualization||Dolby Digital Plus, Dolby Atmos Height Virtualization|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS-HD||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS|