To get informed with the specs of the receivers, we suggest you read the Denon AVR-S540BT and Onkyo TX-SR393 review. According to the results of our review, Denon AVR-S540BT received 5.5 points out of 10 possible, and Onkyo TX-SR393 was rated 5.2 points. The release date of AVR-S540BT is 2018, and TX-SR393 is 2019. This review shows us that the AVR-S540BT is a better choice as a home AV receiver than the TX-SR393.
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 TX-SR393 this value is 80/8 W/Ohm, and for the AVR-S540BT it is 70/8 W/Ohm.
|Stereo power (RMS), W/Ohm||70/8, 90/6||80/8, 155/6|
|Output impedance, Ohm||8, 6||8, 6|
|THD in stereo, %||0.08||0.08|
The score for audio features is 6 of 10 for both receivers.
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/32-bit||AKM 384 KHz/32-bit|
|Pure direct (straight)||✖||✖|
|Auto speaker calibration||Audyssey MultEQ||AccuEQ|
|Speaker A/B switching||✖||✖|
|Other audio features||Compressed Audio Restorer||Advanced Music Optimizer, Hi-Res audio, CinemaFILTER|
The connectivity of competitors in our comparison is markedly different, Denon AVR-S540BT scored 5, and Onkyo TX-SR393 scored 6 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 AVR-S540BT, nor the TX-SR393 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||TIDAL, Pandora||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.
Denon AVR-S540BT is equipped with 5/1 HDMI inputs and outputs, and Onkyo TX-SR393 has 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||2|
|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||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-S540BT were rated 6 out of 10 against the 7 for the TX-SR393.
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 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||HLG, BT.2020||DeepColor, x.v.Color, HLG, BT.2020|
In terms of evaluating additional features, the AVR-S540BT got 8 points, but the TX-SR393 has 6.
Only the Denon AVR-S540BT has the ECO mode.
|App control||iPhone, iPad, iPod, Android, Amazon Kindle||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||has not||2|
|Zone audio output||has not||speaker|
|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|
Denon AVR-S540BT got 5 points for the multichannel surround sound and Onkyo TX-SR393 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. 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 on the TX-SR393.
|Dolby (other)||Dolby Digital Plus||Dolby Digital Plus, Dolby Atmos Height Virtualization|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS|