Review of Yamaha RX-V581 versus Denon AVR-X2400H will reveal the best features offered by the devices. According to the results of our review, Yamaha RX-V581 received 6.7 points out of 10 possible, and Denon AVR-X2400H was rated 7.6 points. The release date of RX-V581 is 2016, and AVR-X2400H is 2017. AVR-X2400H is better suited for home theater use than the RX-V581. 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 125/6 W/Ohm, and for the RX-V581 it is 115/6 W/Ohm.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| Channels | 7.2 | 7.2 |
| Stereo power (RMS), W/Ohm | 115/6 | 95/8, 125/6 |
| Output impedance, Ohm | 6 | 8, 6 |
| Frequency response | 10Hz-100KHz | 10Hz-100KHz |
| THD in stereo, % | 0.09 | 0.08 |
After reviewing the audio features of each model, we can rate the RX-V581 8 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 RX-V581.
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.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| Digital to analog converter (DAC) | Burr-Brown 192 KHz/24-bit | 192 KHz/24-bit |
| Bi-amping | ✔ | ✖ |
| Pure direct (straight) | ✔ | ✔ |
| Auto speaker calibration | YPAO | Audyssey MultEQ |
| Speaker A/B switching | ✖ | ✖ |
| Other audio features | CINEMA DSP 3D | Hi-Res audio, Audyssey Dynamic EQ, Dynamic Volume |
The connectivity of competitors in our comparison is markedly different, Yamaha RX-V581 scored 8, and Denon AVR-X2400H scored 7 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 Yamaha RX-V581.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| Wi-Fi | ✔ | ✔ |
| USB | 1 (USB 2.0) | 1 (USB 2.0) |
| Bluetooth | ✔ | ✔ |
| Ethernet (RJ45) | 1 | 1 |
| DLNA | ✔ | ✖ |
| MHL | ✖ | ✖ |
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| Apple Music (AirPlay) | AirPlay | AirPlay, AirPlay 2 |
| Amazon Music | ✖ | ✔ |
| Spotify | ✔ | ✔ |
| Other streaming services | Pandora, JUKE | 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, Yamaha RX-V581 got 6 points, but Denon AVR-X2400H received 7 points.
Yamaha RX-V581 is equipped with 4/1 HDMI inputs and outputs, and Denon AVR-X2400H has 8/2 HDMI inputs and outputs.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| HDMI input/output | 4/1 | 8/2 |
| HDMI ARC (Audio Return Channel) | ✔ | ✔ |
| HDMI eARC (Enhanced Audio Return Channel) | ✖ | ✖ |
| HDMI CEC | ✔ | ✔ |
| Digital content protection (HDCP) | HDCP 2.2 | HDCP 2.2 |
| Subwoofer output (LFE) | 2 | 2 |
| Headphone output | 1 x 6.3 | 1 x 6.3 |
| Optical digital input | 1 | 2 |
| Coaxial digital input | 2 | 1 |
| Composite input | 3 | 2 |
| Component input/output | 0/0 | 2/1 |
| Phono (MM) input | ✖ | ✖ |
| Front panel connectors | USB, phones, AUX | 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 rivals in our comparison were rated 7 out of 10.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| HDR (High Dynamic Range) | ✔ | ✔ |
| 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 | ✖ | ✖ |
| Dolby Vision | ✖ | ✔ |
| Other video features | DeepColor, x.v.Color, BT.2020 | HLG |
In terms of evaluating additional features, the RX-V581 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.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| Voice control | ✖ | Amazon Alexa, Google Assistant, Siri, Josh.AI |
| App control | iPhone, iPad, Android | iPhone, iPad, Mac, Android |
| Display | fluorescent | fluorescent |
| Tuner | AM, FM | AM, FM |
| Sleep timer | ✔ | ✔ |
| Auto power off | ✔ | ✔ |
| ECO mode | ✔ | ✔ |
| Graphical user interface (GUI) | ✔ | ✔ |
| Setup assistant | ✔ | ✔ |
| 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.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| Multi-room zones | 2 | 2 |
| Zone audio output | speaker | speaker, preout |
| Zone HDMI output | ✖ | ✖ |
| Multi-room control | MusicCast | HEOS App, Denon 2016 AVR Remote |
| RS-232 | 0 | 1 |
| Remote control input/output (IR) | 0/0 | 1/1 |
| DC trigger output (12V) | 0 | 0 |
For the ability to create multichannel surround sound, each of the receivers received 7 points out of 10.
| RX-V581 | AVR-X2400H | |
|---|---|---|
| Dolby Atmos | ✔ | ✔ |
| Dolby TrueHD | ✔ | ✔ |
| Dolby Surround | ✔ | ✖ |
| Dolby (other) | Dolby Digital Plus | has not |
| DTS:X | ✔ | ✔ |
| DTS HD Master | ✔ | ✔ |
| DTS Virtual:X | ✖ | ✖ |
| DTS Neural:X | ✔ | ✔ |
| DTS (other) | DTS-ES, DTS Neo:6 Cinema, DTS 96/24, DTS-EXPRESS | has not |
| Auro-3D | ✖ | ✖ |
| IMAX Enhanced | ✖ | ✖ |
| Multichannel stereo | ✖ | ✔ |


















