Hearing threshold at or above 90 dB at all frequencies tested (0.25-8.0 kHz)
hearing threshold at or above 90 db at all frequencies tested (0.25-8.0 khz)
Hearing threshold at or above 90 dB at all frequencies tested (0.25-8.0 kHz)
hearing threshold at or above 90 db at all frequencies tested (0.25-8.0 khz)