Głośniki testują dźwięk (10 -20000 Hz) – 5 minut amplitudy liniowej, pełnego zakresu – Most relaxing sounds and videos

Głośniki testują dźwięk (10 -20000 Hz) – 5 minut amplitudy liniowej, pełnego zakresu, basu, medium i góry – spektrum wideo i dźwięk wysokiej jakości.

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