Marantz MODEL M4 Distribution Amplifier
Step into the world of multi-room perfection with the Marantz MODEL M4, a high-performance 4-zone, 8-channel distribution amplifier designed to deliver audiophile-grade sound to every corner of your home or installation. Built in Japan and crafted with precision, the MODEL M4 embodies Marantz's signature philosophy: "Because Music Matters."
Power & Flexibility
- Amplification: 8 channels delivering 100W each (8 O, 20 Hz-20 kHz, THD 0.05%).
- Enhanced output via Bridge Mode: Combines channels to deliver up to 4x 200 W, ideal for zones with higher power demands.
- Maintains full power with all zones active.
Inputs, Outputs & Zone Routing
- Analog Inputs: 4x RCA stereo.
- Digital Inputs: 2x optical (TOSLINK), perfect for TV audio.
- Pre-outs: 4x RCA stereo-configurable as subwoofer outputs.
- Subwoofer Outputs: 4x mono RCA, adjustable.
- Speaker Terminals: 4-way binding posts, supporting 4-16 O speakers.
Customizable Audio & Modes
- Channel assignment: Stereo (default) or Dual Mono.
- Volume limiter: 80-100% upper threshold.
- Balance control: ±15 dB.
- Filters: High-pass (40-250 Hz) and low-pass (40-120 Hz).
- EQ: Bass & treble adjustments of ±5 dB.
- Sound Modes: Includes Stereo, Direct, Virtual, Dialog Enhancer, and Night Mode.
- TV Sound Grouping: Broadcast TV audio to one or all zones simultaneously.
High-Resolution Support & DSP
- Decoding: Dolby Digital, LPCM.
- Audio Formats (via HEOS network or USB):
- WMA: up to 192 kbps
- AAC/MP3: up to 320 kbps
- WAV, ALAC, FLAC: up to 24-bit/192 kHz
- DSD: up to 5.6 MHz
Streaming Capabilities & Music Sources
- Built-in HEOS: One module per zone enables flexible, synchronized or independent streaming.
- Streaming technologies:
- AirPlay 2
- Spotify Connect
- Music service access (via HEOS, subject to availability):
- Pandora, Spotify, TuneIn, SiriusXM, Amazon Music, Tidal (including HiRes), iHeartRadio, Deezer (HiFi), Mood:Mix, Sony Hi-Res, AWA, QPlay, SoundCloud.
Other Sources:
- Mobile devices (iOS, Android, Kindle Fire)
- NAS (DLNA, SMB shares)
- USB (4x ports, FAT32/NTFS)
Connectivity & Control
- Ethernet: Dual LAN ports for stable wired connection; no Wi-Fi.
- Control compatibility: Integrates with Crestron, Control4, AMX via TCP/IP, plus app control via HEOS (iOS, Android, Kindle).
- 12V Trigger Outputs: One per zone for synchronized system power-up.
Physical & General
- Design: Steel chassis with brushed aluminum front and LED zone indicators. Rack-mountable with cooling fan.
- Dimensions: Approx. 442 x 415 x 106 mm (WxDxH).
- Weight: Around 8 kg.
- Finish: Classic Marantz black.
- Warranty: 3 years (varies by region).
Specifications:
- Zones / Channels: Four zones, eight independent channels
- Power Output: 100 W per ch (8 O); Bridge Mode: 200 W (4 ch)
- Inputs/Outputs: 4x analog RCA, 2x optical, 4x pre-outs, 4x sub-outs, 4-way speaker posts
- Audio Controls: Filters, EQ, balance, volume limit, sound modes, TV grouping
- Audio Formats: High-res PCM, DSD, Dolby, MP3/AAC/WMA
- Streaming: HEOS, AirPlay 2, Spotify, wide service support
- Connectivity: Dual Ethernet, control via HEOS app & TCP/IP systems, 12V triggers
- Build: Rack-mountable, active cooling, LED indicators, steel/aluminum chassis
- Size & Weight: 442x415x106 mm; 8 kg
- Warranty: Approx. 3 years
Why Choose Marantz MODEL M4 Amplifier?
The Marantz MODEL M4 is a flagship multi-zone amplifier tailored for audiophile-grade, seamless multi-room audio setups. With powerful amplification, extensive streaming compatibility, and flexible control options-all wrapped in Marantz's signature sound tuning-it's ideal for both custom installers and serious home audio enthusiasts.
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