Marantz STEREO 70s vs Onkyo TX-RZ70 review

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AV receivers comparison chart

Marantz STEREO 70s vs Onkyo TX-RZ70 review

Marantz STEREO 70s
vs
Onkyo TX-RZ70

Having had an opportunity to test Marantz STEREO 70s vs Onkyo TX-RZ70, I’d like to share my impression here to facilitate your choice of a new AV receiver.

Amplifier

The number of channels for receivers is different - 2.2 versus 11.2, respectively, for devices. In terms of power, there are differences, the STEREO 70s has such a ratio W/Ohm - 75/8, 100/6, while the TX-RZ70 has a power of 140/8. A common feature for devices is the same total harmonic distortion - 0.08%.

Audio features

The manufacturer installed different DACs, the STEREO 70s received the model 192 KHz/32-bit, but the TX-RZ70 is equipped with 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Marantz STEREO 70s and Onkyo TX-RZ70 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

These units have the same Wi-Fi modules. 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. Most popular streaming services are available for our models under consideration - Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix.

Video features

The HDR10+ function is present in each of the rivals. The quality of 4K/120Hz 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 STEREO 70s and the TX-RZ70. Each 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 STEREO 70s has 6/3, and the TX-RZ70 has 7/3.Marantz STEREO 70s connectionsOnkyo TX-RZ70 connections HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the TX-RZ70. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. STEREO 70s and TX-RZ70 support the standard HDCP 2.3. In the presence of a built-in phono stage for connecting a vinyl player only at Marantz STEREO 70s.

Additional features

Unlike the STEREO 70s where 1 Multi zones is provided, the TX-RZ70 works with 3 Multi zones. 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 Marantz STEREO 70s and the Onkyo TX-RZ70 can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the TX-RZ70. Only in the TX-RZ70 realized a DTS:X surround technology.

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General

Item

Marantz STEREO 70s
Onkyo TX-RZ70

Model

STEREO 70s
TX-RZ70

Brand

Marantz
Onkyo

Reviews

0
0

Amplifier

Channels

2.2
11.2

Stereo power (RMS), W/Ohm

75/8, 100/6
140/8

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
384 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ XT
AccuEQ

Speaker A/B switching

Other audio features

Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Enhancer(MDAX2), Hi-Res audio
Advanced Music Optimizer, Hi-Res audio, Dynamic Audio Amplification, CinemaFILTER

Connectivity

Wi-Fi

2.4/5GHz
2.4/5GHz

USB

1 (USB 2.0)
2 (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, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix
Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix

Extensive connection

HDMI input/output

6/3
7/3

HDMI ARC (Audio Return Channel)

HDMI eARC (Enhanced Audio Return Channel)

HDMI CEC

Digital content protection (HDCP)

HDCP 2.3
HDCP 2.3

Subwoofer output (LFE)

2
2

Headphone output

1 x 6.3
1 x 6.3

Optical digital input

1
2

Coaxial digital input

1
2

Composite input

0
2

Component input/output

0/0
1/0

Phono (MM) input

Front panel connectors

USB, phones, setup mic
phones, setup mic

Multi channel preamp output

Video features

HDR (High Dynamic Range)

HDR10+
HDR10+

4K signal pass-through

4K/120Hz
4K/120Hz

8K signal pass-through

8K/60Hz
8K/60Hz

HDMI signal pass-through

3D signal pass-through

HDMI pass-through in standby mode

Video conversion

analog to HDMI

Analog to HDMI scaling

HDMI to HDMI scaling

Dolby Vision

Other video features

Dynamic HDR, Variable Refresh Rate, Quick Frame Transport, Auto Low Latency Mode
Variable Refresh Rate, Auto Low Latency Mode

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

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, App Control
IP Control, Web Control, App Control

Multi-room

Multi-room zones

1
3

Zone audio output

speaker
speaker, preout

Zone HDMI output

has not

Multi-room control

Marantz 2016 AVR Remote, HEOS App
FlareConnect

RS-232

0
1

Remote control input/output (IR)

0/0
1/0

DC trigger output (12V)

0
1

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

Dolby (other)

has not
DSD, LPCM

DTS:X

DTS HD Master

DTS Virtual:X

DTS Neural:X

DTS (other)

has not
DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS

Auro-3D

IMAX Enhanced

Multichannel stereo

Audio file formats

MP3

WMA

AAC

WAV

FLAC

ALAC

Other audio file formats

AIFF, DSD
AIFF, DSD

Power

Operational power consumption, W

210
1095

Standby consumption, W

0.1
0.1

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

17.4x14.7x4.3 / 44.1x37.3x10.9
17.2 x 7.5 x 18.7 / 43.5 x 20.1 x 48

Weight, kg/lbs

8.8/19
22/48.5

Other

Release year

2023
2023
Marantz STEREO 70s
Onkyo TX-RZ70
Marantz STEREO 70s
Onkyo TX-RZ70

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 7
  • 9.4
  • 7Marantz STEREO 70s
  • 9.4Onkyo TX-RZ70