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.