Four-Zone Distribution Amplifier
8 x 100W per channel Four-Zone Distribution Amplifier with HEOS® Built-in

• 8 x 100W Amplification (8 ohm 20-20kHz) 0.05% THD
• 192/24 FLAC, ALAC, WAV, DSD
• Stereo RCA in x4, Optical x2, Ethernet x2, USB-A x4
• HEOS®, AirPlay2, Dolby Digital
• Stereo preouts per zone or four subwoofer outputs, one per zone
• Convert preout to subwoofer out with High Pass and Low Pass Filters
• TV Sound Grouping
• Marantz Musical Digital Filtering (MMDF)
• 12V trigger out per zone and Bridge mode
• Perfectly sized for rack mounted design and active cooling, rack kit included

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.

Power Where You Need It

MODEL M4 delivers enough power to drive speakers across four rooms in your home. For even more power, use Bridge Mode which offers up to 4 x 200W of output.

Any Sound, Anywhere

Stream your favorite music or TV audio (via the Optical inputs), independently or grouped, in four different rooms with MODEL M4’s four built-in HEOS modules. 

Fully Featured, Fully Flexible

With all the onboard features every integrator could need, MODEL M4 is extremely robust, easy to use, and flexible, making multi-room effortless.

Engineered for High Resolution

Whether it’s using streamed services, your network, optical digital, or USB, with MODEL M4 you’ll experience your sound with the high resolution it deserves.

Marantz Musical Digital Filtering

MMDF is a unique and sophisticated digital filtering technology that reveals the natural detail and tonality in sound.