Review of Onkyo TX-SR383 versus Denon AVR-X2400H will reveal the best features offered by the devices. According to the results of our review, Onkyo TX-SR383 received 4.8 points out of 10 possible, and Denon AVR-X2400H was rated 7.6 points. The release date of TX-SR383 is 2018, and AVR-X2400H is 2017. AVR-X2400H is better suited for home theater use than the TX-SR383. 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 TX-SR383 this value is 100/8 W/Ohm, and for the AVR-X2400H it is 95/8 W/Ohm.
|Stereo power (RMS), W/Ohm||100/8, 135/6||95/8, 125/6|
|Output impedance, Ohm||8, 6||8, 6|
|THD in stereo, %||0.09||0.08|
The score for audio features is 6 of 10 for both receivers.
Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Denon AVR-X2400H has Pure Direct mode.
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)||192 KHz/24-bit||192 KHz/24-bit|
|Pure direct (straight)||✖||✔|
|Auto speaker calibration||Audyssey MultEQ||Audyssey MultEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||Advanced Music Optimizer||Hi-Res audio, Audyssey Dynamic EQ, Dynamic Volume|
The connectivity of competitors in our comparison is markedly different, Onkyo TX-SR383 scored 6, and Denon AVR-X2400H scored 7 out of 10.
Wireless connection via Wi-Fi is possible on the Denon AVR-X2400H.
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, 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, Onkyo TX-SR383 got 6 points, but Denon AVR-X2400H received 7 points.
Onkyo TX-SR383 is equipped with 4/1 HDMI inputs and outputs, and Denon AVR-X2400H has 8/2 HDMI inputs and outputs.
|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||1 x 6.3||1 x 6.3|
|Optical digital input||1||2|
|Coaxial digital input||1||1|
|Phono (MM) input||✖||✖|
|Front panel connectors||USB, phones, setup mic||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 the TX-SR383 were rated 6 out of 10 against the 7 for the 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||✔||✔|
|Analog to HDMI scaling||✖||✖|
|HDMI to HDMI scaling||✖||✖|
|Other video features||DeepColor, x.v.Color, BT.2020, HLG||HLG|
In terms of evaluating additional features, the TX-SR383 got 4 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. Denon AVR-X2400H has the ECO mode.
|Voice control||✖||Amazon Alexa, Google Assistant, Siri, Josh.AI|
|App control||iPhone, iPod, Android||iPhone, iPad, Mac, Android|
|Tuner||AM, FM||AM, FM|
|Auto power off||✖||✔|
|Graphical user interface (GUI)||✖||✔|
|Firmware update||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.
|Zone audio output||speaker||speaker, preout|
|Zone HDMI output||✖||✖|
|Multi-room control||has not||HEOS App, Denon 2016 AVR Remote|
|Remote control input/output (IR)||0/0||1/1|
|DC trigger output (12V)||0||0|
Onkyo TX-SR383 got 5 points for the multichannel surround sound and Denon AVR-X2400H got 7.
Dolby Atmos' particularity is that this is the object-oriented sound format, that is, each audio signal object is independently sounded and connected to its spatial position. Denon AVR-X2400H can create 3D sound due to the Dolby Atmos support.
DTS:X is an algorithm used by the processor to create sound scenes, where sounds connected directly to objects rather than channels, and to determine the optimum sound output distribution in space. Surround sound with DTS:X is available on the AVR-X2400H.
|Dolby (other)||Dolby Pro Logic||has not|
|DTS HD Master||✔||✔|
|DTS (other)||has not||has not|