skaļruņu testa skaņa (10 – 20000 Hz) – 30 minūšu lineārā amplitūda, pilna diapazona – Most relaxing sounds and videos

skaļruņu testa skaņa (10 – 20000 Hz) – 30 minūšu lineārā amplitūda, pilna diapazona, bass, vidēja un augstā video spektra un augstas kvalitātes audio.

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