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Mild Hearing Loss = 25dB or less.
Moderate Hearing Loss = 26 dB - 44dB.
Severe Hearing Loss = 45dB +
Cordless Phones
| maximum volume level | visual ringer | large buttons | caller ID / call waiting | amplified ringer | speaker-phone | neckloop jack | hearing aid compatible | |
| Clarity C4205 | 50dB | X | X | X | X | X | ||
| Clarity C4210 | 50dB | X | X | X | X | X | X | |
| Clarity DECT 603 | 30dB+ | X | X | X | X | X | ||
| Clarity DECT 613 | 30dB+ | X | X | X | X Handset and Answering Machine |
X |
Corded Phones
| maximum volume level | visual ringer | large buttons | caller ID / call waiting | amplified ringer | speaker- phone | neckloop jack | hearing aid compatible | |
| Clarity P400 Photo Phone | 26dB | X | X | X | X | |||
| Clarity C200 Trimline | 26dB | X | X | |||||
| Clarity XL-30 | 30dB | X | X | X | X | X | ||
| Clarity JV-35 | 37dB | X | X | X | X | X | ||
| Clarity XL-40 | 43dB | X | X | X | X | X | ||
| Clarity XL-45 | 50dB | X | X | X | X | X | X | |
| Clarity XL-50 | 60dB | X | X | X | X | X | ||
| Williams Sound TeleTalker | 55dB | X | X | X | X | X | ||
| Fanstel ST50 Speakerphone | 52dB | X | X | |||||
| Fanstel ST250 Speakerphone | 73dB | X | X |
