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Marantz MM7055

Multi Channel Main Amplifier 5x 140 Watts RMS 8 Ohm

Power amplifier or processor AV Processors & Power Amps
Indicative price € 1 971
System role Power amplifier or processor
Best for Higher-channel-count cinema projects and installations that need more control than an entry-level receiver can offer.
Product family Power Amplifiers
Available finishes Black
Product overview

A closer look at Marantz MM7055.

Multi Channel Main Amplifier 5x 140 Watts RMS 8 Ohm

Family context

Power amplifiers expand Marantz beyond integrated and receiver-led systems.

This family supports bigger theater projects, demanding speaker loads, and clients who want cleaner power planning across more channels.

More channels and headroom This strength matters when matching the product to the room, electronics, and listening goals.
Useful cinema expansion path This strength matters when matching the product to the room, electronics, and listening goals.
Supports stronger system scaling This strength matters when matching the product to the room, electronics, and listening goals.
Key features

What stands out in this product.

  • Suited to more ambitious theater systems where channel count, control, and external amplification matter.
  • Its real value appears when the speaker choice, room size, and listening level are matched properly around it.
  • Part of the Power Amplifiers family, which helps it fit inside a wider Marantz ecosystem and upgrade path.
  • More channels and headroom is one of the reasons it stands out inside the current lineup.
Who it's for

Where this makes the most sense.

  • Clients choosing the whole system deliberately instead of buying electronics in isolation.
  • Media rooms and cinema setups that need multiple sources, speaker channels, and control logic managed cleanly.
  • People building around room size, speaker sensitivity, and long-term upgrade headroom rather than spec-sheet bragging.
  • Shoppers buying into the Power Amplifiers path from Marantz rather than treating the product as a one-off box.
System matching

Choose the speakers and use case first, then let this component control the system cleanly.

The best match depends less on isolated specs and more on speaker load, room size, source habits, and whether the system is stereo, cinema, or a hybrid of both.

Match speaker sensitivity, room volume, and desired listening level to this component so the system feels effortless instead of strained.
Plan the full front, surround, and subwoofer layout together so the processing platform is used properly from the start.
This model currently sits inside AV Processors & Power Amps, so it makes the most sense when the rest of the system supports that role.
Marantz MM7055 belongs to the Power Amplifiers family, so keeping the surrounding system aligned with that role usually produces the cleaner result.
AV Processors & Power Amps
Product details

Useful details before you request availability.

Brand page Marantz
Product family Power Amplifiers
Collections AV Processors & Power Amps
Available finishes Black
Model references MM7055/N1B
Reference codes MM7055/N1B

System building

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Need the right match?

We can help place this product inside the right stereo, cinema, or wireless system.

Audione can help match this model to the room, the electronics around it, and the level of performance you want before you decide on the final system.