Hearing helper, Personal fm system, Model pfm 300 rch – Williams Sound PFM 300 RCH User Manual

Page 3: Acoustic specifications: ansi 2.44 test

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Hearing helper, Personal fm system, Model pfm 300 rch | Acoustic specifications: ansi 2.44 test | Williams Sound PFM 300 RCH User Manual | Page 3 / 4 Hearing helper, Personal fm system, Model pfm 300 rch | Acoustic specifications: ansi 2.44 test | Williams Sound PFM 300 RCH User Manual | Page 3 / 4
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