ALE acoustic is the maker who offers the driver unit which uses high-class material parmender for a magnetic pole part. These drivers using parmender which is not producing commercially which famous makers, such as JBL, ALTEC, and TAD. ALE acoustic driver has 23,000 to 24,000 gausses. Alnico is used for a magnet, the sound which the driver plays is already over the concept of the sound of a usual driver, and it is fresh, and is very natural.