Denon AVR-S540BT vs Onkyo TX-NR686

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Votes 1 1
Rating 5 5

AVR-S540BT vs TX-NR686 comparison chart

Denon AVR-S540BT vs Onkyo TX-NR686 review

Denon AVR-S540BT
vs
Onkyo TX-NR686

Let's make the Denon AVR-S540BT versus Onkyo TX-NR686 comparison. According to the results of our review, Denon AVR-S540BT received 5.5 points out of 10 possible, and Onkyo TX-NR686 was rated 7.2 points. Both AV receivers were introduced in 2018. After comparison, it will become clear that among these two devices, the TX-NR686 is more suitable for the role of the heart of home theater system.

Main advantages Denon AVR-S540BT over Onkyo TX-NR686

  • We do not know advantages

Main advantages Onkyo TX-NR686 over Denon AVR-S540BT

  • More channels, namely 7, makes this receiver more profitable than its 5-channel competitor.
  • Thanks to 2 multi-room zones support, TX-NR686 bypasses its competitor without multizone support.
  • There is Wi-Fi support.
  • There is support for Apple AirPlay.
  • Surround sound ensures the availability of Dolby Atmos.
  • Object-oriented sound ensures the availability of DTS:X.

Amplifiers

For the built-in amplifier, the devices received different marks - 6 and 7, respectively, on a 10-point scale.

AVR-S540BT
6
TX-NR686
7

The number of channels is equal to the number of possible connected speakers. The Denon AVR-S540BT supports 5.2-channels sound, but Onkyo TX-NR686 supports a 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-NR686 this value is 165/6 W/Ohm, and for the AVR-S540BT it is 90/6 W/Ohm.

AVR-S540BT TX-NR686
Channels5.27.2
Stereo power (RMS), W/Ohm70/8, 90/6165/6
Output impedance, Ohm8, 66
Frequency response10Hz-100KHz10Hz-100KHz
THD in stereo, %0.080.08

Audio features

After reviewing the audio features of each model, we can rate the AVR-S540BT 6 out of 10, and the TX-NR686 - 9.

AVR-S540BT
6
TX-NR686
9

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 on the TX-NR686.

Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Onkyo TX-NR686 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.

AVR-S540BT TX-NR686
Digital to analog converter (DAC)192 KHz/32-bitVLSC 384 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAudyssey MultEQAccuEQ
Speaker A/B switching
Other audio featuresCompressed Audio RestorerAdvanced Music Optimizer, Theater-Dimensional, Hi-Res audio

Connectivity

The connectivity of competitors in our comparison is markedly different, Denon AVR-S540BT scored 5, and Onkyo TX-NR686 scored 8 out of 10.

AVR-S540BT
5
TX-NR686
8

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-NR686 only.

AVR-S540BT TX-NR686
Wi-Fi2.4/5GHz
USB1 (USB 2.0)1 (USB 2.0)
Bluetooth
Ethernet (RJ45)1
DLNA
MHL

Streaming services

Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.

AVR-S540BT TX-NR686
Apple Music (AirPlay)AirPlay
Amazon Music
Spotify
Other streaming servicesTIDAL, PandoraDeezer, TIDAL, TuneIn Radio

Extensive connections

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, Denon AVR-S540BT got 6 points, but Onkyo TX-NR686 received 8 points.

AVR-S540BT
6
TX-NR686
8

Denon AVR-S540BT is equipped with 5/1 HDMI inputs and outputs, and Onkyo TX-NR686 has 7/2 HDMI inputs and outputs.

Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the TX-NR686 has a Phono interface.

AVR-S540BT TX-NR686
HDMI input/output5/17/2
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)HDCP 2.2HDCP 2.2
Subwoofer output (LFE)22
Headphone output1 x 6.31 x 6.3
Optical digital input22
Coaxial digital input11
Composite input22
Component input/output0/02/0
Phono (MM) input
Front panel connectorsUSB, phones, setup micHDMI, phones, setup mic
Multi channel preamp output

Video features

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-NR686.

AVR-S540BT
6
TX-NR686
7

AVR-S540BT TX-NR686
HDR (High Dynamic Range)HDR10
4K signal pass-through4K/60Hz4K/60Hz
8K signal pass-through
HDMI signal pass-through
3D signal pass-through
HDMI pass-through in standby mode
Video conversion
Analog to HDMI scaling
HDMI to HDMI scaling
Dolby Vision
Other video featuresHLG, BT.2020DeepColor, x.v.Color

Additional features

In terms of evaluating additional features, the AVR-S540BT got 8 points, but the TX-NR686 has 7.

AVR-S540BT
8
TX-NR686
7

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 TX-NR686 can be controlled by voice via Google Assistant. Only the Denon AVR-S540BT has the ECO mode.

AVR-S540BT TX-NR686
Voice controlGoogle Assistant
App controliPhone, iPad, iPod, Android, Amazon KindleiPhone, iPod, Android
Displaycolour OSDfluorescent
TunerAM, FMAM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware updateUSBnetwork, USB
Other additional featureshas notIP Control

Multi-room

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.

AVR-S540BT TX-NR686
Multi-room zoneshas not2
Zone audio outputhas notspeaker, preout
Zone HDMI outputhas not
Multi-room controlhas notOnkyo Controller app, FlareConnect
RS-23200
Remote control input/output (IR)0/00/0
DC trigger output (12V)00

Multichannel surround

Denon AVR-S540BT got 5 points for the multichannel surround sound and Onkyo TX-NR686 got 7.

AVR-S540BT
5
TX-NR686
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-NR686 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-NR686.

AVR-S540BT TX-NR686
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Digital PlusDolby Digital Plus
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESSDTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
Auro-3D
IMAX Enhanced
Multichannel stereo
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