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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 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 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.
Specifications
Amplifier
Power Amplifier Rated output & THD (8 ohm): 8 X 100 W (8 Ω/ohms, 20 Hz to 20
kHz, 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: TOSLINK (2)
Analog Inputs: RCA L/R (4)
Preouts: RCA L/R (4)
Subwoofer Out: RCA Mono (4) (selectable)
Audio Options
Channel Assignments: Stereo (Default), Dual Mono
Volume Limit: 80-100%
Balance: -15dB to +15dB
Adjustable High Pass / Low Pass Filters: 40-250 Hz / 40-120 Hz
EQ: Bass, Treble -5dB to +5dB
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 (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: N/A
Bluetooth Transmit: N/A
AirPlay: AirPlay 2
Spotify: Spotify Connect
Music Services and Sources
Music Services Supported (HEOS®, subject to change and local availability): Pandora, Spotify, TuneIn,
SiriusXM, Amazon Music, Tidal,
Tidal HiRes, iHeartRadio, Deezer,
Deezer HiFi, Mood:Mix, Sony
Hi-Res, AWA, QPlay, SoundCloud
Music stored on mobile device: Yes (iOS, Android or Kindle Fire)
NAS (Network Attached Storage): Network share
USB Storage Device Playback: Yes (4) (FAT32, NTFS formatted
drives)
Networking & Control
Wired Connectivity: Ethernet (2)
Wireless Connectivity: N/A
IR Input: N/A
IR Learning: N/A
Control System Compatibility via TCP/IP: Crestron, Control4, AMX
HEOS® App: iOS, Android, Kindle Fire
Trigger Output DC 12V: Yes (4)
General
Product Color: Black
User Interface: Reset button, Front power button,
Rear power switch
Dimensions (W x D x H) Inches: 16.34 x 4.17 x 17.4
Dimensions (W x D x H) mm: 415 x 106 x 442
Design and specifications are subject to change by Marantz without notice.
Package Contents: Marantz Four-Zone Wireless Streaming Amplifier MODEL M4, Rack mount brackets, Power cords x6, Ethernet cable, Manual.
