Denon AVR-S640H vs Denon AVR-S540BT review

Votes 1 1
Rating 5 5
Denon AVR-S640H
vs
Denon AVR-S540BT

Denon AVR-S640H vs Denon AVR-S540BT – that is a question.

Amplifier

AV receivers under review have the same number of channels. In terms of power, there are differences, the AVR-S640H has such a ratio W/Ohm - 75/8 20Hz-20KHz, 100/6 1KHz, while the AVR-S540BT has a power of 70/8 20Hz-20KHz, 90/6 1KHz. A common feature for devices is the same total harmonic distortion - 0.08%.

Audio features

The manufacturer installed different DACs, the AVR-S640H received the model 192 KHz/32-bit, but the AVR-S540BT is equipped with 192KHz/32-bit. None of the compared opponents supports Bi-amping. The model AVR-S640H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

Wireless Internet connection via WIFI is only possible with AVR-S640H. Each of the receivers has a Bluetooth connector. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Denon AVR-S640H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, but the Denon AVR-S540BT works with TIDAL, Pandora.

Video features

Support for the HDR function can only boast of each of the AV receivers. The quality of 4K 60p signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the AVR-S640H and the AVR-S540BT. None of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.

Extensive connections

The number of HDMI inputs/outputs is the same - 5/1.Denon AVR-S640H connectionsDenon AVR-S540BT connections HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the AVR-S640H and the AVR-S540BT. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVR-S640H and AVR-S540BT support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-S640H. There is an ECO mode in either AV receiver. The Denon AVR-S640H and the Denon AVR-S540BT can be properly configured using the setup assistant.

Multichannel surround

Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.

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Common

Product

Denon AVR-S640H
Denon AVR-S540BT

Model

AVR-S640H
AVR-S540BT

Brand

Denon
Denon

Reviews

200
763

Amplifier

Channels

5.2
5.2

Stereo power (RMS), W/Ohm

75/8 20Hz-20KHz, 100/6 1KHz
70/8 20Hz-20KHz, 90/6 1KHz

Output impedance, Ohm

8, 6
8, 6

Frequency response

10Hz-100KHz
10Hz-100KHz

THD in stereo, %

0.08
0.08

Audio features

Digital to analog converter (DAC)

192 KHz/32-bit
192KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ
Audyssey MultEQ

Speaker A/B switching

Connectivity

Wi-Fi

USB

1 (USB 2.0)
1 (USB 2.0)

Bluetooth

Ethernet (RJ45)

1

Streaming services

Apple Music (AirPlay)

AirPlay, AirPlay 2

Google Play Music

Amazon Music

Spotify

Other streaming services

Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud
TIDAL, Pandora

Video features

HDR (High Dynamic Range)

4K signal pass-through

4K 60p
4K 60p

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 features

BT.2020, HLG
HLG, BT.2020

Additional features

Voice control

Amazon Alexa, Google Assistant, Siri, Josh.AI

App control

iPhone, iPad, iPod, Android
iPhone, iPad, iPod, Android, Amazon Kindle

Display

colour OSD
colour OSD

Tuner

AM, FM
AM, FM

Sleep timer

Auto power off

ECO mode

Graphical user interface (GUI)

Setup assistant

Firmware update

network, USB
USB

Other additional features

IP Control, Web Control
has not

Extensive connection

HDMI input/output

5/1
5/1

HDMI ARC (Audio Return Channel)

HDMI eARC (Enhanced Audio Return Channel)

HDMI CEC

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
2

Coaxial digital input

1
1

Composite input

2
2

Component input/output

0/0
0/0

Phono (MM) input

Front panel connectors

USB, phones, setup mic
USB, phones, setup mic

Multi channel preamp output

Multi-room

Multi-room zones

has not
has not

Zone audio output

has not
has not

Zone HDMI output

has not
has not

Multi-room control

has not
has not

RS-232

0
0

Remote control input/output (IR)

0/0
0/0

DC trigger output (12V)

0
0

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

DTS:X

DTS HD Master

DTS Virtual:X

Auro-3D

Power

Operational power consumption, W

340
310

Standby consumption, W

0.1
0.1

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.5 x 15.9 x 33/17 x 6.1 x 13
43.5 x 15.2 x 30.4/17 x 6 x 12.6

Weight, kg/lbs

7.7/17.2
7.2/16.8
Denon AVR-S640H
Denon AVR-S540BT
Denon AVR-S640H
Denon AVR-S540BT

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 6.2
  • 5.5
  • 6.2Denon AVR-S640H
  • 5.5Denon AVR-S540BT

The Denon AVR-S640H is better receiver in this comparison. Check Denon AVR-S640H price

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