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
Technical 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 Audio Inputs / Outputs |
4 – 16 Ω/ohms |
Audio Inputs / Outputs
| Loudspeaker Binding Posts |
4-way binding posts |
| Digital Inputs |
TOSLINK (2) |
| Analogue 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 |
| TV Sound Grouping |
Yes |
Audio Format Support
| Decoding |
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 |
| Stereo PCM / Multi-channel PCM |
WAV, ALAC, FLAC: up to and including 24-bit/192kHz |
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) |
Spotify, TuneIn, Amazon Music, Tidal, Tidal HiRes, Deezer, Deezer HiFi, Mood:Mix, Sony Hi-Res, SoundCloud |
| Music stored on a 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 |
N/A |
| Trigger out DC 12V |
Yes (4) |
| Control System Compatibility via TCP/IP |
Crestron, Control4, AMX |
| HEOS App |
iOS, Android |
General
| Available Colors |
Black |
| User Interface |
Reset button, Front power button, Rear power switch |
| Dimensions (W x D x H) mm |
442 x 415 x 106 |
| Weight in kg |
8 |
