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Marantz Model M4 Four-Zone 8-Channels Distribution Amplifier ( Black)
17,848.95 AED Includes 5% UAE VAT
The Marantz MODEL M4 represents an intelligent, single-box reinvention of whole-home multi-room distribution architectures. While typical distribution hardware serves as raw passive amplification, the M4 houses four independent HEOS streaming modules inside a singular 2U-high chassis. This allows home integrators or audiophiles to simultaneously play completely different audio sources across four separate living zones, or link them together effortlessly using a unified application controller.
Model number
MODELM4/EX1B
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Description
Description
The Marantz MODEL M4 represents an intelligent, single-box reinvention of whole-home multi-room distribution architectures. While typical distribution hardware serves as raw passive amplification, the M4 houses four independent HEOS streaming modules inside a singular 2U-high chassis. This allows home integrators or audiophiles to simultaneously play completely different audio sources across four separate living zones, or link them together effortlessly using a unified application controller.
Key Features
- Four Independent HEOS Modules: Acts as four standalone streaming endpoints on your home network, streaming from services like Spotify Connect, TIDAL HiRes, and Apple AirPlay 2 across separate zones.
- High-Power Bridge Mode Topology: Delivers a stable 100 Watts per channel into 8 Ohms across 8 channels. For larger spaces, channels can be grouped into a Bridge Mode configuration pushing 4 × 200W.
- Marantz Musical Digital Filtering (MMDF): Features an in-house DSP technology that “reveals the natural detail and tonality in sound” by using custom-designed filter curves derived from reference-series components.
- Dolby Digital Decoding: Features twin optical digital inputs coupled to an internal Dolby Digital down-mixing engine, turning multi-channel TV audio lines into pristine, high-intelligibility stereo multi-room sound.
- Flexible Zone Preouts & Sub Controls: Each discrete zone is fitted with an independent analog RCA pre-out pair that can seamlessly transition via software to act as a dedicated mono subwoofer channel with customizable digital filters.
- Integrated Thermally-Regulated Cooling: Outfitted with active, low-noise internal cooling fans to ensure long-term stability when multiple units are stacked closely together.
Applications
- Whole-Home Multi-Room Distributed Audio: Serves as the central multi-zone command deck powering passive in-ceiling, architectural wall speakers, or outdoor patio speakers across different rooms.
- Commercial Hospitality & Luxury AV Layouts: Perfect for multi-tier retail showrooms, upscale restaurants, and executive office spaces needing zone volume control and distinct audio maps.
- Smart Home Custom Rack Equipment Integration: Designed with standard 19-inch dimensions and packaged with included structural rack-ears, making it easy to seamlessly mount inside professional central automated smart closets.
Technical Specifications
The foundational engineering parameters officially documented by Marantz include:
| Parameter | Specification Details |
|---|---|
| Amplifier Channels | 8 Channels / 4 Independent Zones |
| Power Output (8 Ohms) | 100 Watts per channel RMS (20 Hz – 20 kHz, 0.05% THD) |
| Power Output (4 Ohms) | 125 Watts per channel RMS (1 kHz, 0.05% THD) |
| Bridge Mode Power Output | 200 Watts per channel into 4 Ohms (4 channels driven) |
| Frequency Response | 20 Hz – 40 kHz (±3 dB) |
| Signal-to-Noise Ratio (S/N) | 106 dB (Analog Line In) | 103 dB (Optical In) |
| Wired Audio Inputs | 4 × Stereo RCA Pairs, 2 × TOSLINK Optical Inputs |
| Wired Audio Outputs | 4 × Stereo RCA Pre-outs (or 4 × Mono Subwoofer lines via app) |
| Local File Media Ports | 4 × Dedicated USB-A Ports (One per streaming zone) |
| Local Network Infrastructure | Dual Ethernet RJ-45 Routing Loop Ports (Note: No Wi-Fi/Antenna hardware) |
| High-Resolution Support | ALAC, FLAC, WAV up to 24-bit / 192 kHz | DSD up to 5.6 MHz |
| Chassis Dimensions (WHD) | 17.4 × 4.1 × 16.3 inches (~442 × 106 × 415 mm) |
| Net Unit Weight | 17.6 lbs (8.0 kg) |
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