Marantz NR1608 vs Onkyo TX-SR373

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Votes 1 1
Rating 5 5

NR1608 vs TX-SR373 comparison chart

Marantz NR1608 vs Onkyo TX-SR373 review

Marantz NR1608
vs
Onkyo TX-SR373

The Marantz NR1608 vs Onkyo TX-SR373 comparison makes sense because it shows what devices in their segments can offer. According to the results of our review, Marantz NR1608 received 8.3 points out of 10 possible, and Onkyo TX-SR373 was rated 4.2 points. Both AV receivers were introduced in 2017. NR1608 is more suitable as the heart of home theater system than its opponent - TX-SR373.

Main advantages Marantz NR1608 over Onkyo TX-SR373

  • More channels, namely 7, makes this receiver more profitable than its 5-channel competitor.
  • Thanks to 2 multi-room zones support, NR1608 bypasses its competitor without multizone support.
  • There is WI-Fi support.
  • The Spotify support is an exclusive advantage.
  • There is support for Apple AirPlay.
  • Surround sound ensures the availability of Dolby Atmos.
  • Object-oriented sound ensures the availability of DTS:X.

Main advantages Onkyo TX-SR373 over Marantz NR1608

  • We do not know advantages

Amplifiers

For the built-in amplifier, the models have rated 6 points out of 10.

NR1608
6
TX-SR373
6

The number of channels is equal to the number of possible connected speakers. The Marantz NR1608 supports 7.2-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-SR373 this value is 135/6 W/Ohm, and for the NR1608 it is 70/6 W/Ohm.

NR1608 TX-SR373
Channels7.25.1
Stereo power (RMS), W/Ohm50/8, 70/6135/6
Output impedance, Ohm8, 66
Frequency response10Hz-100KHz5Hz-100KHz
THD in stereo, %0.050.06

Audio features

After reviewing the audio features of each model, we can rate the NR1608 10 out of 10, and the TX-SR373 - 5.

NR1608
10
TX-SR373
5

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 only on the NR1608.

Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Marantz NR1608 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.

Speaker A/B switching allows you to change between the main and sub speaker set. Marantz NR1608 can work with the main and additional set of speakers - and switch between them.

NR1608 TX-SR373
Digital to analog converter (DAC)AK4458 384 KHz/32-bit192 KHz/24-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAudyssey MultEQAccuEQ
Speaker A/B switching
Other audio featuresHi-Res audio, Audyssey Dynamic Volume, Audyssey Dynamic EQhas not

Connectivity

The connectivity of competitors in our comparison is markedly different, Marantz NR1608 scored 8, and Onkyo TX-SR373 scored 5 out of 10.

NR1608
8
TX-SR373
5

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 NR1608 only.

NR1608 TX-SR373
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.

NR1608 TX-SR373
Apple Music (AirPlay)AirPlay, AirPlay 2
Amazon Music
Spotify
Other streaming servicesDeezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloudhas not

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, Marantz NR1608 got 8 points, but Onkyo TX-SR373 received 6 points.

NR1608
8
TX-SR373
6

Marantz NR1608 is equipped with 8/1 HDMI inputs and outputs, and Onkyo TX-SR373 has 4/1 HDMI inputs and outputs.

NR1608 TX-SR373
HDMI input/output8/14/1
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)21
Headphone output1 x 6.31 x 6.3
Optical digital input11
Coaxial digital input11
Composite input32
Component input/output2/10/0
Phono (MM) input
Front panel connectorsUSB, HDMI, phones, setup micUSB, 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 NR1608 were rated 10 out of 10 against the 5 for the TX-SR373.

NR1608
10
TX-SR373
5

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 Marantz NR1608.

NR1608 TX-SR373
HDR (High Dynamic Range)
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 conversionanalog to HDMI
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 NR1608 got 10 points, but the TX-SR373 has 5.

NR1608
10
TX-SR373
5

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 NR1608 can be controlled by voice via Amazon Alexa, Google Assistant, Siri, Josh.AI. Only the Marantz NR1608 has the ECO mode.

NR1608 TX-SR373
Voice controlAmazon Alexa, Google Assistant, Siri, Josh.AI
App controliPhone, iPad, iPod, AndroidiPhone, iPod, Android
Displaycolour OSDfluorescent
TunerAM, FMAM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware updatenetwork, USBUSB
Other additional featuresIP Controlhas not

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.

NR1608 TX-SR373
Multi-room zones2has not
Zone audio outputspeaker, preouthas not
Zone HDMI outputhas not
Multi-room controlMarantz 2016 AVR Remote App, HEOS Apphas not
RS-23200
Remote control input/output (IR)1/00/0
DC trigger output (12V)10

Multichannel surround

Marantz NR1608 got 7 points for the multichannel surround sound and Onkyo TX-SR373 got 5.

NR1608
7
TX-SR373
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. Marantz NR1608 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 NR1608.

NR1608 TX-SR373
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)has notDTS 96/24, DTS-HD
Auro-3D
IMAX Enhanced
Multichannel stereo
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