Ask a Question

Ask a Question

MARANTZ Model M4 Stereo Network Amplifier

MODEL M4 is a four-zone, rack-mountable distribution amplifier engineered to offer superb Marantz sound from a wide range of streamed music services, locally connected music sources, and your TV.



Distribution done differently.

MODEL M4 offers an innovative and intelligent take on traditional distribution amplifier designs. A rack-mountable distribution amplifier for dedicated music lovers, it delivers superior sound from a wide range of streamed music services, locally connected music sources, and your TV (via the Optical inputs). MODEL M4’s industrial design complements the latest generation of Marantz hi-fi and AVR products. It has been carefully engineered to deliver the extreme robustness, simple control functionality, and flexible configuration that is essential to successful home integration.

Power Where You Need It

MODEL M4 delivers enough power to drive speakers across four rooms in your home. For even more power, use Bridge Mode which offers up to 4 x 200W of output. 

Any Sound, Anywhere

Stream your favorite music or TV audio (via the Optical inputs), independently or grouped, in four different rooms with MODEL M4’s four built-in HEOS modules. 


Fully Features, Fully Flexible

With all the onboard features every integrator could need, MODEL M4 is extremely robust, easy to use, and flexible, making multi-room effortless. 

Engineerer for High Resolution

Whether it’s using streamed services, your network, optical digital, or USB, with MODEL M4 you’ll experience your sound with the high resolution it deserves. 

Marantz Musical Digital Filtering

MMDF is a unique and sophisticated digital filtering technology that reveals the natural detail and tonality in sound. 


Power Amplifier Rated Output

  • 8 x 100W (8 Ohms, 20Hz to 20kHZ, T.H.D. 0.05%)

  • 8 x 100W (4 Ohms, 1kHz T.H.D. 0.05%)

Loudspeaker Impedance

  • 4 – 16 Ω/ohms

Audio Inputs / Outputs

Loudspeaker Binding Posts

  • 4-way binding posts

Digital Inputs

  • TOSLINK (2)

Analogue Inputs

  • RCA L/R (4)


  • RCA L/R (4)

Subwoofer Out

  • RCA Mono (4) (selectable)

Audio Options

Channel  Assignments

  • Stereo

  • Dual Mono


  • -15dB to +15dB

Adjustable High Pass / Low Pass Filters

  • 40-250 Hz / 40-120 Hz

EQ (-5dB to +5dB)

  • Bass

  • Treble

Sound Modes

  • Stereo, Direct, Virtual

  • Dialog Enhancer, Night Mode

 TV Sound Grouping

  • YES 

Audio Format Support


  • Dolby Digital

  • LPCM

  • DSD


  • Stereo

  • Multi-channel

Stereo File Formats (HEOS network share or USB)

  • WMA: up to and including 192kbps

  • AAC & MP3:up to and including 320kbps

  • WAV, ALAC, FLAC: up to and including 24-bit/192kHz

  • DSD: 2.8 MHz. 5.6 MHz

 Streaming Technologies


  • N/A


  • Airplay 2


  • Spotify Connect

Music Services and Sources

Music Services Supported

  • Spotify

  • TuneIn

  • Amazon Music

  • Tidal, Tidal HiRes

  • Deezer, Deezer HiFi

  • Mood:Mix

  • Sony Hi-Res

  • SoundCloud

  • QPlay

  • iHeart Radio

  • SiriusXM

Music stored on Mobile Device

  •  Yes (iOS, Abdroid or Kindle Fire)

NAS (Network Attached Storage)

  • Network Share

USB Storage Device Playback (Formated Drives)

  • Yes (4)

  • FAT32

  • NTFS 

Networking & Control

Connectivity (Wired only)

  • Ethernet (2)

IR Input

  • N/A

IR Learning

  • N/A

Control System Compatibility via TCP/iP

  • Crestron

  • Control 4

  • AMX


  • iOS 

  • Android

Trigger Output DC 12V

  • Yes (4)


User Interface

  • Reset button

  • Front power button

  • Rear power switch

Dimensions (W x D x H)

  • 415 x 106 x 442

Weight (kg)

  • 8 kg

More from this brand