M series is the upgraded version of lC series,
it also adopts ultra-thin on wall design and bright piano paint appearance, The difference is that lM series adopts 2-way and two speaker design, which has better sound quality and higher power bearing capacity,the tweeter speaker adopts "AMTI design, which is different from the traditiona/ silk soft dome type and aluminum belt type,
 
AMT tweeter is a large area of special film material folded 
into an accordion shape, 
Under the magnetic force of a strong neodymium magnet, the AMT tweeter generates compression motion and emits sound waves from the folded gap, Due to its sound generation mode close to the plane speaker, the directivity of high frequency energy sense is better than the traditional dome type, especiall y suitable for home theater,the ultra-thin design is also suitable for Dolby Atmos sky channels.