The Onkyo TX-SR383 vs Onkyo TX-SR373 comparison makes sense because it shows what devices in their segments can offer. According to the results of our review, Onkyo TX-SR383 received 4.8 points out of 10 possible, and Onkyo TX-SR373 was rated 4.2 points. The release date of TX-SR383 is 2018, and TX-SR373 is 2017. TX-SR383 is more suitable as the heart of home theater system than its opponent - TX-SR373.
For the built-in amplifier, the devices received different marks - 7 and 6, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Onkyo TX-SR383 supports 7.2-channels sound, but Onkyo TX-SR373 supports a 5.1-channels configuration.
RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. In terms of RMS power, the models have the same characteristics - 100/8, 135/6/6 W/Ohm.
|Stereo power (RMS), W/Ohm||100/8, 135/6||135/6|
|Output impedance, Ohm||8, 6||6|
|THD in stereo, %||0.09||0.06|
After reviewing the audio features of each model, we can rate the TX-SR383 6 out of 10, and the TX-SR373 - 5.
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||AccuEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||Advanced Music Optimizer||has not|
The connectivity of competitors in our comparison is markedly different, Onkyo TX-SR383 scored 6, and Onkyo TX-SR373 scored 5 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
Wired internet connection via RJ45 allows receiver faster connection than wireless or even use NAS storages. Wired connection via RJ45 is possible in the TX-SR383 only.
|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)||✖||✖|
|Other streaming services||has not||has not|
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 6 points on our 10-point scale.
Competitors in our review have 4/1 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||1|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||1||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 TX-SR383 were rated 6 out of 10 against the 5 for the TX-SR373.
|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||DeepColor, x.v.Color|
In terms of evaluating additional features, the TX-SR383 got 4 points, but the TX-SR373 has 5.
|App control||iPhone, iPod, Android||iPhone, iPod, Android|
|Tuner||AM, FM||AM, FM|
|Auto power off||✖||✔|
|Graphical user interface (GUI)||✖||✖|
|Other additional features||has not||has not|
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||2||has not|
|Zone audio output||speaker||has not|
|Zone HDMI output||✖||has not|
|Multi-room control||has not||has not|
|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 Pro Logic||Dolby Digital Plus|
|DTS HD Master||✔||✖|
|DTS (other)||has not||DTS 96/24, DTS-HD|