Distribution Done Differently

An innovative, intelligent take on traditional distribution amplification, MODEL M4 includes wireless streaminf support and delivers superb Marantz sound throughout your home.

Any Sound, Anywhere

Four Built-in HEOS® modules, four USB-A inputs, and four sets of analog inputs ensure effortless independent listening in four separate rooms in your home.

Fully Featured, Fully Flexible

As a HEOS®-enabled device, MODEL M4 can share music with existing Marantz hi-fi or AVR components, with more MODEL M4s, or with MODEL M1.

Power Where You Need It

MODEL M4's power output is 'real-world realistic' and rated with all channels driven simultaneously, across four separate zones of output.

Four-Zone Distribution Amplifier

8 x 100W per channel Four-Zone Distribution Amplifier with HEOS® Built-in

• 8 x 100W Amplification (8 ohm 20-20kHz) 0.05% THD

• 192/24 FLAC, ALAC, WAV, DSD

• Stereo RCA in x4, Optical x2, Ethernet x2, USB-A x4

• HEOS®, AirPlay2, Dolby Digital+

• Stereo preouts per zone or four subwoofer outputs, one per zone

• Convert preout to subwoofer out with High Pass and Low Pass Filters

• TV Sound Grouping

• Marantz Musical Digital Filtering (MMDF)

• 12V trigger out per zone and Bridge mode

• Perfectly sized for rack

Technical Specifications


Power Amplifier Rated output & THD (8 ohm)
8 x 100 W (8 Ω/ohms, 20 Hz to 20kHz, T.H.D. 0.05 %)

Power Amplifier Rated output & THD (4ohm)
8 x 125 W (4Ω/ohms, 1 kHz, T.H.D. 0.1%)

Frequency Response
20 Hz to 20 kHz : ±1 dB

Connected loudspeaker Impedance
4 – 16 Ω/ohms

Audio Inputs / Outputs

Loudspeaker Binding Posts
4-way binding posts

Digital Inputs

Analogue Inputs
RCA L/R (4)

RCA L/R (4)

Subwoofer Out
RCA Mono (4) (selectable)

Audio Options

Channel Assignments
Stereo (Default), Dual Mono

Volume Limit

-15dB to +15dB

Adjustable High Pass / Low Pass Filters
40-250 Hz / 40-120 Hz

Bass, Treble -5dB to +5dB

TV Sound Grouping

Audio Format Support

Dolby Digital, LPCM, DSD

Stereo File Formats (HEOS® network share or USB)
WMA: up to and including 192 kbps AAC & MP3: up to and including 320 kbps
WAV, ALAC, FLAC: up to and including 24-bit/192kHz DSD: 2.8 MHz, 5.6MHz

Streaming Technologies

Bluetooth Receive

Bluetooth Transmit

AirPlay 2

Spotify Connect

Music Services and Sources

Music Services Supported (HEOS®, subject to change and local availability)
Spotify, TuneIn, Amazon Music, Tidal, Tidal HiRes, Deezer. Deezer HiFi,
Mood:Mix, Sony Hi-Res, SoundCloud

Music stored on mobile device
Yes (iOS, Android or Kindle Fire)

NAS (Network Attached Storage)
Network share, DLNA

USB Storage Device Playback
Yes (4) (FAT32, NTFS formatted drives)

Networking & Control

Wired Connectivity
Ethernet (2)

Wireless Connectivity

Trigger out DC 12V
Yes (4)

Control System Compatibility via TCP/IP
Crestron, Control4, AMX

App iOS, Android


Product Colour

User Interface
Reset button, Front power button,Rear power switch

Dimensions (W x D x H) mm
442 x 415 x 106

Weight (kg)

SAP Code


The heartbeat of your home.

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