FEIN MultiMaster FMM350Q

By Robert Robillard on Tool Reviews


FEIN is reporting that the newly designed MultiMaster FMM350Q has 35% more power than its predecessors.

The MultiMaster 350Q has a 350 watt, brush-less,  motor with a tacho generator for constant tool speed under load.

FEIN MultiMaster FMM350Q

FEIN is well known for its quality German engineering and this motor is no different.  It has a durable, overload proof motor, with high copper content, that is designed for powerful continuous operation.     FEIN boasts that the tools armature is perfectly balanced  and protected with ball bearing for smooth operation.

A newly developed motor fan improves tool cooling – a thing that I noticed on my older tool did not have.


Handheld power tools can exposed users to large levels of vibrations in their hands and upper arms.  

Prolonged exposure to intensive tool vibration can cause hand-arm vibration syndrome which results in loss of sensation in the hands or loss of dexterity.

FEIN is advertising that the new FMM 350Q Start produces 70% less vibration.   These new improvements include motor supports suspended by flexible dampening elements which FEIN says have resulted in less vibration and in some circumstances  achieving a class zero in almost all applications.

FEIN claims that when sawing continuously, vibrations only reaches class one.

The study of work-vibrations exposure is a relatively new in North America, although it has been a subject of significance in Europe.   Its refreshing to see that FEIN is interested in investing in worker safety beyond what’s legislated.


FEIN claims that the FMM350Q noise is 50% quieter than predecessors.  Part of this reason is the anti-vibration technology mentioned above.     the anti-vibe system reduces sound pressure.

We compared the new FFM350Q to the older FFM250Q  and confirmed that the newer version was in fact much quieter.  While we did not get a 50% less noise reduction were were using a non-professional decibel measuring device so we will not list that measurement.   suffice to say the difference is noticeable to the users ear.

FEIN MultiMaster FMM350Q

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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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