Research Article

Over-the-Counter Hearing Aids: A Lost Decade for Change

Table 4

OTC hearing aids: volume range and percentage of total gain at different volume control settings.

OTCVolume range between different volume settings (dB SPL)Percentage of total gain at different volume settings (%)
Starting to full-on1/4 to full-on2/4 to full-on3/4 to full-on1/42/43/4Full-on

A tone N306108197100100
A tone L276107897100100
B3625183294990100
C tone N3620152445994100
C tone H3622153405793100
C tone L3520143446192100
D401972538295100
E191242408190100
F36952758795100
G331461588293100
H301851418395100
I221562317490100
J271252548094100