Denon AVR-S640H vs Marantz NR1508 review

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AV receivers comparison chart

Denon AVR-S640H vs Marantz NR1508 review

Denon AVR-S640H
vs
Marantz NR1508

It’s strongly recommended to compare different receivers if you want to choose the best one: Denon AVR-S640H vs Marantz NR1508.

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, 100/6, while the NR1508 has a power of 50/8. 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 NR1508 is equipped with 192 KHz/24-bit. None of the compared opponents supports Bi-amping. Both Denon AVR-S640H and Marantz NR1508 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. 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 Marantz NR1508 works with Deezer, TIDAL, Pandora.

Video features

Support for the HDR function can only boast of each of the AV receivers. The quality of 4K/60Hz 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 NR1508. 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 varies depending on the receiver, the AVR-S640H has 5/1, and the NR1508 has 6/1.Denon AVR-S640H connectionsMarantz NR1508 connections HDMI Audio Return Channel is only available on Denon AVR-S640H. HDMI eARC is not supported by the AVR-S640H and the NR1508. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVR-S640H and NR1508 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. Voice control is performed using Amazon Alexa, Google Assistant, Siri, Josh.AI in both models. There is an ECO mode in either AV receiver. The Denon AVR-S640H and the Marantz NR1508 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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General

Item

Denon AVR-S640H
Marantz NR1508

Model

AVR-S640H
NR1508

Brand

Denon
Marantz

Reviews

200
46

Amplifier

Channels

5.2
5.2

Stereo power (RMS), W/Ohm

75/8, 100/6
50/8

Output impedance, Ohm

8, 6
8

Frequency response

10Hz-100KHz
10Hz-100KHz

THD in stereo, %

0.08
0.08

Audio features

Digital to analog converter (DAC)

192 KHz/32-bit
192 KHz/24-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ
Audyssey MultEQ

Speaker A/B switching

Other audio features

Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Restorer, Hi-Res audio
Hi-Res audio, Audyssey Dynamic Volume

Connectivity

Wi-Fi

2.4/5GHz

USB

1 (USB 2.0)
1 (USB 2.0)

Bluetooth

Ethernet (RJ45)

1
1

DLNA

MHL

Streaming services

Apple Music (AirPlay)

AirPlay, AirPlay 2
AirPlay, AirPlay 2

Amazon Music

Spotify

Other streaming services

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

Extensive connection

HDMI input/output

5/1
6/1

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
1

Coaxial digital input

1
1

Composite input

2
3

Component input/output

0/0
0/0

Phono (MM) input

Front panel connectors

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

Multi channel preamp output

Video features

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

Video conversion

Analog to HDMI scaling

HDMI to HDMI scaling

Dolby Vision

Other video features

BT.2020, HLG
HLG

Additional features

Voice control

Amazon Alexa, Google Assistant, Siri, Josh.AI
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
network, USB

Other additional features

IP Control, Web Control
IP Control

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
1/0

DC trigger output (12V)

0
0

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

Dolby (other)

Dolby Digital Plus, Dolby Pro Logic
has not

DTS:X

DTS HD Master

DTS Virtual:X

DTS Neural:X

DTS (other)

DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Surround, DTS Neo:6
has not

Auro-3D

IMAX Enhanced

Multichannel stereo

Audio file formats

MP3

WMA

AAC

WAV

FLAC

ALAC

Other audio file formats

has not
has not

Power

Operational power consumption, W

340
180

Standby consumption, W

0.1
0.2

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
43.1 x 35.5 x 10.1/17.3 x 14.8 x 4.1

Weight, kg/lbs

7.7/17.2
7.7/17.9

Other

Release year

2018
2016
Denon AVR-S640H
Marantz NR1508
Denon AVR-S640H
Marantz NR1508

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 6.2
  • 6.3
  • 6.2Denon AVR-S640H
  • 6.3Marantz NR1508