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★★☆☆☆

Sound insulation | Two stars

 What is meant by this?  

We award two stars to acoustic cabins or room-in-room systems with sound insulation values in the 20 - 25 decibel range (so-called class C), which corresponds to a rather basic level of sound insulation. As a rule, this quality level corresponds to the entry-level price segment, which is perfectly adequate for many situations. More information at: Sound insulation.

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