Table 1. Consensus relating to device features for hearable, OTC hearing device, PSAP, self-fitting hearing aid, wearable, and hearing aid.
| Hearable | OTC hearing device | PSAP | Self-fitting hearing aid | Wearable | Hearing aid | |
|---|---|---|---|---|---|---|
| Provides amplification |
75%
|
|
|
|
45%
|
|
| Has fixed preprograms |
45%
|
65%
|
75%
|
35%
|
60%
|
55%
|
| Can be programed to a prescriptive target |
40%
|
55%
|
45%
|
|
75%
|
|
| User can adjust frequency/gain using controls on device |
50%
|
|
|
|
50%
|
|
| User can adjust frequency/gain using remote technologies (e.g., smartphone app) |
|
60%
|
65%
|
|
55%
|
75%
|
| Device itself can be customized to physically fit user's ear canal |
|
50%
|
55%
|
70%
|
65%
|
|
| Is only for people with hearing-related difficulties |
|
|
50%
|
|
75%
|
|
| Is considered a medical/healthcare device |
|
45%
|
|
|
75%
|
|
Abbreviations: OTC, over-the-counter; PSAP, personal sound amplification product.
Notes:
, >90% agreement;
, 80–90% agreement;
, >90% disagreement;
, 80–90% disagreement. For <80% agreement, both percentage and direction (
agree;
disagree;
neither agree/disagree) are provided.