Review of Denon AVR-S650H versus Yamaha RX-V4A will reveal the best features offered by the devices. According to the results of our review, Denon AVR-S650H received 6.2 points out of 10 possible, and Yamaha RX-V4A was rated 6.5 points. The release date of AVR-S650H is 2019, and RX-V4A is 2020. RX-V4A is better suited for home theater use than the AVR-S650H. Its sound profile is better balanced.
For the built-in amplifier, the models have rated 6 points out of 10.
The number of channels is equal to the number of possible connected speakers. Both receivers can handle the 5.2-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-S650H this value is 100/6 W/Ohm, and for the RX-V4A it is 80/6 W/Ohm.
|Stereo power (RMS), W/Ohm||75/8, 100/6||80/6|
|Output impedance, Ohm||8, 6||6|
|THD in stereo, %||0.08||0.06|
After reviewing the audio features of each model, we can rate the AVR-S650H 6 out of 10, and the RX-V4A - 7.
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 on the RX-V4A.
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)||AKM 192 KHz/32-bit||N/A|
|Pure direct (straight)||✔||✔|
|Auto speaker calibration||Audyssey MultEQ||YPAO|
|Speaker A/B switching||✖||✖|
|Other audio features||Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Restorer, Hi-Res audio||CINEMA DSP, Compressed Music Enhancer, Virtual CINEMA FRONT|
The connectivity of competitors in our comparison is markedly different, Denon AVR-S650H scored 7, and Yamaha RX-V4A 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||AirPlay, AirPlay 2|
|Other streaming services||Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, Mood Mix||Deezer, TIDAL, Pandora, SiriusXM, Qobuz|
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, Denon AVR-S650H got 7 points, but Yamaha RX-V4A received 5 points.
Denon AVR-S650H is equipped with 5/1 HDMI inputs and outputs, and Yamaha RX-V4A has 4/1 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-S650H has a Phono interface.
|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||0|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||1|
|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 AVR-S650H were rated 6 out of 10 against the 7 for the RX-V4A.
With the 4K pass-through feature, the AV receiver sends "native" 4K signals to a 4K TV from a video source without any processing. The AVR-S650H works with the 4K/60Hz video, and the RX-V4A has the 4K/120Hz.
The AV receiver passes "native" 8K signals from a video source to 8K TV without any encoding, with the 8k pass-through features. The 8K path-through is available on Yamaha RX-V4A.
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 with Yamaha RX-V4A.
|HDR (High Dynamic Range)||HDR10||HDR10|
|4K signal pass-through||4K/60Hz||4K/120Hz|
|8K signal pass-through||✖||8K/60Hz|
|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, BT.2020||x.v.Color, HLG, BT.2020|
In terms of evaluating additional features, the AVR-S650H got 10 points, but the RX-V4A has 7.
|Voice control||Amazon Alexa, Google Assistant, Siri, Josh.AI||Amazon Alexa, Google Assistant, Siri|
|App control||iPhone, iPad, iPod, Android, Amazon Kindle||iPhone, iPad, iPod, Android|
|Display||colour OSD||colour OSD|
|Auto power off||✔||✔|
|Graphical user interface (GUI)||✔||N/A|
|Firmware update||network, USB||network, USB|
|Other additional features||IP 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.
|Multi-room zones||has not||has not|
|Zone audio output||has not||has not|
|Zone HDMI output||has not||has not|
|Multi-room control||has not||MusicCast|
|Remote control input/output (IR)||0/0||0/0|
|DC trigger output (12V)||0||0|
For the ability to create multichannel surround sound, each of the receivers received 5 points out of 10.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS 96/24, DTS-HD, DTS-EXPRESS|