Martin Logan Motion MP10 Bookshelf Speakers Walnut ((Demo) (Pair)Distinctive Design, Elegant Execution, Beautiful Sound. Motion: Reimagined. Motion MP10s innovative shape and mounting system allows it to be used as a shallow depth bookshelf speaker or wall mounted using the included mounting bracket making it one of the most versatile speakers in the Motion range. It can be mounted parallel to the wall surface or flipped upside down to angle downwards into the room, perfect for when installation above ear level is