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 M4s four built-in HEOS modules.

Fully Featured, 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.

Engineered for High Resolution

Whether its using streamed services, your network, optical digital, or USB, with MODEL M4 youll experience your sound with the high resolution it deserves.

Marant Musical Digital Filtering

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

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 M4s 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.

Amplifier Specifications:

Power Output:

• 8 x 100 W (8 , 20 Hz - 20 kHz, THD 0.05%)
• 8 x 125 W (4 , 1 kHz, THD 0.1%)

Frequency Response:

• 20 Hz to 20 kHz 1 dB

Loudspeaker Impedance:

• Compatible with 4 16 speakers

Audio Inputs / Outputs:

• Analog Inputs: RCA L/R (4)
• Digital Inputs: TOSLINK (2)
• Preouts: RCA L/R (4)
• Subwoofer Out: RCA Mono (4) (selectable)
• Loudspeaker Outputs: 4-way binding posts

Inputs Audio Options:

• Channel Assignments: Stereo (Default), Dual Mono
• Volume Limit: 80-100%
• Balance: -15 dB to 15 dB
• Adjustable Filters: High Pass (40-250 Hz), Low Pass (40-120 Hz)
• EQ: Bass, Treble (-5 dB to 5 dB)
• Sound Modes: Stereo, Direct, Virtual, Dialog Enhancer, Night Mode
• TV Sound Grouping: Yes

Audio Format Support:

• Decoding: Dolby Digital, LPCM, DSD
• Stereo PCM / Multi-channel PCM: Yes / Yes
• Stereo File Formats: WMA (up to 192 kbps), AAC & MP3 (up to 320 kbps), WAV, ALAC, FLAC (up to 24-bit/192kHz), DSD (2.8 MHz, 5.6MHz)

Streaming Technologies:

• Bluetooth Receive: N/A
• Bluetooth Transmit: N/A
• AirPlay: AirPlay 2
• Spotify: Spotify Connect
• Music Services: Pandora, Spotify, TuneIn, SiriusXM, Amazon Music, Tidal, Tidal HiRes, iHeartRadio, Deezer, Deezer HiFi, Mood
  
  
  , Sony Hi-Res, AWA, QPlay, SoundCloud

Music Playback:

• Mobile Device: iOS, Android, Kindle Fire
• NAS (Network Attached Storage): Network share
• USB Storage Device: Yes (4) (FAT32, NTFS formatted drives)

Networking & Control:

• Wired Connectivity: Ethernet (2)
• Control System Compatibility: Creston, Control4, AMX
• HEOS App: iOS, Android, Kindle Fire

General:

• Product Color: Black
• User Interface: Reset button, Front power button, Rear power switch
• Dimensions (W x D x H): 16.34 x 4.17 x 17.4 inches / 415 x 106 x 442 mm