The Onkyo TX-SR393 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-SR393 received 5.2 points out of 10 possible, and Onkyo TX-SR373 was rated 4.2 points. The release date of TX-SR393 is 2019, and TX-SR373 is 2017. TX-SR393 is more suitable as the heart of home theater system than its opponent - TX-SR373.
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. The Onkyo TX-SR393 supports 5.2-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. The differences between the models in terms of RMS power are significant - for the TX-SR393 this value is 155/6 W/Ohm, and for the TX-SR373 it is 135/6 W/Ohm.
|Stereo power (RMS), W/Ohm||80/8, 155/6||135/6|
|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 TX-SR393 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)||AKM 384 KHz/32-bit||192 KHz/24-bit|
|Pure direct (straight)||✖||✖|
|Auto speaker calibration||AccuEQ||AccuEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||Advanced Music Optimizer, Hi-Res audio, CinemaFILTER||has not|
The connectivity of competitors in our comparison is markedly different, Onkyo TX-SR393 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. Neither the TX-SR393, nor the TX-SR373 has the RJ45 port.
|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||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-SR393 were rated 7 out of 10 against the 5 for the TX-SR373.
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 only with Onkyo TX-SR393.
|HDR (High Dynamic Range)||HDR10||✔|
|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, HLG, BT.2020||DeepColor, x.v.Color|
In terms of evaluating additional features, the TX-SR393 got 6 points, but the TX-SR373 has 5.
|App control||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|
Onkyo TX-SR393 got 7 points for the multichannel surround sound and Onkyo TX-SR373 got 5.
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. Onkyo TX-SR393 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 only on the TX-SR393.
|Dolby (other)||Dolby Digital Plus, Dolby Atmos Height Virtualization||Dolby Digital Plus|
|DTS HD Master||✔||✖|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS 96/24, DTS-HD|