Marantz AV7703 vs Pioneer VSX-LX503 review

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Rating 5 5

AV receivers comparison chart

Marantz AV7703 vs Pioneer VSX-LX503 review

Marantz AV7703
vs
Pioneer VSX-LX503

The Marantz AV7703 vs Pioneer VSX-LX503 comparison proves that these receivers have many common features.

Amplifier

A significant difference between the receivers in the number of channels, Marantz AV7703 has 11.2 versus 9.2 for Pioneer VSX-LX503. The THD is the same and is 0.08%.

Audio features

Characteristics of digital to analog converter (DAC) are different, 192 KHz/32-bit for AV7703 and AK4458 384 KHz/32-bit for the VSX-LX503. Both the AV7703 and the VSX-LX503 support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Marantz AV7703 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The AV7703 can work with the audio stream from Deezer, TIDAL, Pandora, Napster, iHeart Radio, SiriusXM, Sound Cloud, and the VSX-LX503 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.

Extensive connections

The Marantz AV7703 has 8/3 HDMI inputs/outputs versus 7/2 HDMI connectors of the Pioneer VSX-LX503.Marantz AV7703 connectionsPioneer VSX-LX503 connections The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. These compared receivers have a built-in phono stage for connecting a vinyl player.

Additional features

Each of the AV receivers from our review supports 3 Multi-room zones. The AV7703 supports voice control via Amazon Alexa, Google Assistant, Siri, Josh.AI, and the VSX-LX503 - Google Assistant. An ECO mode is only available for the AV7703. Both AV7703 and VSX-LX503 can be configured using the Setup assistant.

Multichannel surround

Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.

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General

Item

Marantz AV7703
Pioneer VSX-LX503

Model

AV7703
VSX-LX503

Brand

Marantz
Pioneer

Reviews

28
166

Amplifier

Channels

11.2
9.2

Stereo power (RMS), W/Ohm

120/8, 230/6

Output impedance, Ohm

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
AK4458 384 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ XT32
MCACC

Speaker A/B switching

Other audio features

Hi-Res audio, Audyssey Dynamic Volume, Audyssey LFC
Advanced Sound Retriever, Hi-Res audio, Reflex Optimizer

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

Amazon Music

Spotify

Other streaming services

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

Extensive connection

HDMI input/output

8/3
7/2

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

2
1

Composite input

3
2

Component input/output

3/1
1/0

Phono (MM) input

Front panel connectors

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

Multi channel preamp output

Video features

HDR (High Dynamic Range)

HDR10

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
analog to HDMI

Analog to HDMI scaling

HDMI to HDMI scaling

Dolby Vision

Other video features

x.v.Color, BT.2020
DeepColor, x.v.Color, HLG, BT.2020

Additional features

Voice control

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

App control

iPhone, iPad, iPod, Android, Amazon Kindle
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
IP Control

Multi-room

Multi-room zones

3
3

Zone audio output

preout
speaker, preout

Zone HDMI output

Multi-room control

Marantz 2016 AVR Remote App, HEOS App
FlareConnect

RS-232

1
1

Remote control input/output (IR)

1/0
1/1

DC trigger output (12V)

2
2

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

Dolby (other)

Dolby Digital Plus
Dolby Digital Plus

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
AIFF

Power

Operational power consumption, W

60
850

Standby consumption, W

0.2
0.15

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.1 x 40.6 x 17.7/17.3 x 16.2 x 7.3
43.5 x 18.5 x 38.6/17 x 7 x 14.9

Weight, kg/lbs

10/22.9
13/28.7

Other

Release year

2016
2018
Marantz AV7703
Pioneer VSX-LX503
Marantz AV7703
Pioneer VSX-LX503

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 9.4
  • 8.6
  • 9.4Marantz AV7703
  • 8.6Pioneer VSX-LX503