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hi everyone my son is 7 years old he has sever to profound hearing loss in both ears he was using oticon sumo dm for while now but we lost it last week and give up on finding them so I am considering buying new ones next week I hope you can help me choose I read about oticon chili/safari...

hi everyone i am sorry my english is not good ,my brother is 2 years old and we did audio tests to him and this is the reslulst: stimules: rarefcation accostic clicks were presented monaurally at 90 dBnHL at rate of 21.1 p/sec and down to threshold in 20 db steps. results: neither...