ヘッドセットをテストするときのデシベル レベルは何ですか?
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20 - 20,000 Hz Audio Sweep | Range of Human Hearing
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How Loud Should Your Headphones Be?
おそらく耳を傷つけているでしょう。停止!
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How Old Are Your Ears? (Hearing Test)
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スピーカー/ヘッドフォンのサウンドテスト: 低/中/高、L/R テスト、低音テスト、品質、周波数範囲