難聴に有効だといわれる周波数（ヘルツ）； 難聴 CAFL 10000,1550,880,802,787,727,20 難聴1 XTRA 9.18,9.19,65,660,690,727.5,760,787,802,880,1550,10000 難聴2 XTRA 20,727,787,802,880,1550,5000,10000 https://royalrifefrequencies.com/programslist/D…