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Description
Overview
Marantz, a brand celebrated for its uncompromising approach to high-fidelity sound, introduces the MODEL M4 — a powerful and highly versatile streaming and distribution amplifier engineered for modern multi-room audio systems.
Designed and crafted in Shirakawa, Japan, and tuned by Marantz Sound Masters, the MODEL M4 brings together high-performance amplification, advanced streaming capabilities, and flexible system integration into a single, robust solution.
Built for both audiophiles and professional installations, the MODEL M4 is capable of delivering rich, detailed sound across multiple zones — making it the ideal choice for whole-home audio distribution without sacrificing the signature Marantz sound.
Key Features
- 8-channel amplification: 100W per channel (8Ω), 125W (4Ω)
- 4-zone distribution system for multi-room audio
- Bridge mode: up to 4 x 200W for higher power applications
- HEOS® Built-in for wireless multi-room streaming
- Dolby Digital support for TV audio integration
- High-resolution audio support up to 24-bit/192kHz and DSD
- Marantz Musical Digital Filtering (MMDF) for enhanced sound quality
- Control system compatibility: Crestron, Control4, AMX
- Rack-mountable design with active cooling for custom installations
Multi-Room Audio Without Compromise
At the core of the MODEL M4 is its ability to deliver independent audio across four different zones, allowing users to play different music in separate rooms or synchronize playback throughout the home.
Each zone operates independently, with dedicated control over volume, EQ, and source selection — offering unmatched flexibility for residential and commercial environments.
Powerful 8-Channel Amplification
The MODEL M4 features a robust 8-channel amplifier delivering 100 watts per channel, ensuring clean, dynamic sound across all connected speakers.
For more demanding setups, bridge mode allows channels to be combined, delivering up to 200 watts per channel, providing additional power for larger spaces or high-performance speakers.
This high-current design ensures:
- Strong, distortion-free output
- Consistent performance across multiple zones
- Ability to drive a wide range of speaker types
Seamless Streaming with HEOS®
With HEOS built-in, the MODEL M4 transforms into a complete streaming hub for your home.
It supports:
- Spotify, TIDAL, Amazon Music, Deezer
- Apple AirPlay 2
- Bluetooth and network streaming
- Multi-room synchronization
Users can control playback effortlessly through the HEOS app, creating a unified and intuitive audio experience across all zones.
Versatile Connectivity for Any System
The MODEL M4 offers extensive connectivity to integrate with virtually any audio setup:
Inputs
- 4 x RCA analog inputs
- 2 x Optical (TOSLINK) inputs
- USB inputs for local playback
- Dual Ethernet ports
Outputs
- 4 x stereo pre-outs
- 4 x subwoofer outputs (configurable)
This allows each zone to be customized with independent sources and speaker configurations.
Advanced Audio Customization
Each zone of the MODEL M4 can be individually tuned to suit the listening environment:
- Adjustable high-pass / low-pass filters
- Bass and treble EQ control
- Balance and volume limiting
- Multiple sound modes (Stereo, Direct, Night Mode, etc.)
This level of control ensures optimal sound performance in every room.
Marantz Musical Digital Filtering (MMDF)
The MODEL M4 incorporates Marantz’s proprietary Musical Digital Filtering, designed to preserve the natural character of music while improving clarity and detail.
This results in:
- More natural tonal balance
- Enhanced detail retrieval
- Reduced harshness in digital playback
Designed for Custom Installation
Built with professional integration in mind, the MODEL M4 features:
- Rack-mountable chassis for clean installations
- 12V trigger outputs (per zone) for system automation
- Compatibility with leading control systems like Crestron, Control4, and AMX
- Active cooling for reliable long-term operation
Its compact yet robust design makes it ideal for hidden installations in equipment racks or centralized AV systems.
High-Resolution Audio Performance
The MODEL M4 supports a wide range of high-resolution audio formats, including:
- FLAC, ALAC, WAV up to 24-bit/192kHz
- DSD up to 5.6MHz
- MP3, AAC, WMA
This ensures exceptional sound quality whether streaming, playing from network storage, or using connected sources.
Signature Marantz Sound
Despite being a distribution amplifier, the MODEL M4 retains the signature Marantz sound — warm, detailed, and musically engaging.
Carefully tuned by Sound Masters, it ensures:
- Clear vocals and instruments
- Balanced tonal response
- Smooth high frequencies
- Controlled and tight bass
Why Choose Marantz MODEL M4
- True multi-room Hi-Fi solution (4 zones)
- Powerful 8-channel amplification
- Seamless streaming with HEOS ecosystem
- Flexible configuration for any installation
- Ideal for luxury homes and commercial spaces
- Signature Marantz sound quality
Conclusion
The Marantz MODEL M4 is more than just a distribution amplifier — it is a complete multi-room audio solution designed for modern living.
Combining power, flexibility, and advanced streaming capabilities, it delivers high-quality sound across multiple spaces with ease. Whether used in a luxury home, smart system, or professional installation, the MODEL M4 offers a level of performance and control that sets a new benchmark in distributed audio.
For those who want whole-home audio without compromise, the MODEL M4 stands as a true expression of Marantz innovation.
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