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.
- Crafted in Shirakawa, Japan
- 8 Channels
- 100 Watts per Channel
- Four Zones
- Dolby Digital
- HEOS Built-in
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.
Specifcations:
| Amplifier | |
| Power Amplifier Rated output & THD (8 ohm) | 8 X 100 W (8 /ohms, 20 Hz to 20 kHz, T.H.D. 0.05 %) |
| Power Amplifier Rated output & THD (4 ohm) | 8 X 125 W (4/ohms, 1 kHz, T.H.D. 0.1%) |
| Frequency Response | 20 Hz to 20 kHz : 1 dB |
| Connected loudspeaker Impedance | 4 16 /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) |
| Inputs 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 | 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 |
| 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 | Creston, 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 |
