Ddaytona 2015-08-15 13:35:22#1The T9 also has the slightly higher density compared to the T8, which ensures better sound insulation. However, how much this is nominally or expressed in numbers can probably only be guessed.
The T9 also has the slightly higher density compared to the T8, which ensures better sound insulation. However, how much this is nominally or expressed in numbers can probably only be guessed.