I always wanted a soundproof room-like space, so I made one by myself in the size of one tatami mat and created a soundproof room with a Dr -40 level. In the video, the production, explanation of the Dr value, and measurement are recorded.
For comparison, the cost of YAMAHA's soundproof room Safine NS is 1,078,000 yen.
The cost for self-production was 96,387 yen.
Негізгі бет Тәжірибелік нұсқаулар және стиль 【Eng sub】I got mad, so I DIY'd a soundproof room for 100,000 yen and got a million yen level.
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