BAM air control mechanism has been developed further, and a small, simpler product has been achieved. Comprehensively reproduces the vivid atmosphere of live music.
Our special BAM (Balancing Air Movement) Mechanism, which optimizes air movement inside the housing, has pushed the evolution of earphone body design to the next level with a simpler structure and slimmer body. The result is a balanced, natural sound that reduces unwanted sibilant high-frequency sounds. The heaven Ⅳ delivers deep spatial expression and a true "live sound" atmosphere.
BAM mechanism produces bass sounds and stereo spatial interpretations
With balanced armature driver units, iron is driven to produce sound, and as such, these drivers face a number of problems, amongst which are "proving tiring to listen to", "having sound that is subtle and beautiful, but lacking in depth and being flat" and "lacking bass interval". At final, we decided to focus on developing technology for the reproduction of bass tones and three-dimensional space with the full-range reproduction of a theoretically unproblematic single driver unit, rather than taking things in a multiway direction. We went back to the beginning and reviewed the performance of the balanced armature driver, focusing our attention on something we had previously overlooked ? airflow inside the housing. We developed BAM (Balancing Air Movement), a mechanism that optimizes airflow inside the housing through the creation of an aperture in the driver unit, which is usually sealed.
While achieving bass tones and deep, three-dimensional spatial representation, which proved difficult with single driver full-range reproduction, we achieved a BA type that at the same time made for natural listening the user doesn't tire of.
An original balanced armature driver unit with an aperture that is optimized for the BAM mechanism.
Using BAM, which optimizes airflow in the housing, this driver unit has been developed to our own specifications and has an aperture arranged on the back of the driver unit, which is usually sealed.
In-Ear Слушалки Final Heaven IV