Acoustics storm- - Ben Tianfei is spent upgrade

This cropland (HONDA) fly degree (Fit) acoustics upgrades

Configuration:
Lead plane: Alpine---CDE9874E
Before sound field: Helix---DB62.1
Hind sound field: TX65
Bass: Storm 1
Add: Sound insulation of double deck PROOF-MORE


Configuration says, look together next a few change one's costume or dress PP:


Former outfit flies degree of lead plane





The Alpine9874 of transhipment of through cargo







Lining sound insulation: It is to be in above all most inside undertake sound insulation is made on that iron sheet brace up, this iron sheet namely whole door, iron sheet is weak, cause the most easily shake and be invaded by wind a confusion of voices. Most inside that sound insulation is special key, the sound that the door that sticks good deadening entirely closes to have massiness feeling and iron sheet of door of the knock that use a hand very much is very heavy also