L'explication/l'anotation:Miniature postaural type for indemnification of heavy hearing losses.
La description détaillée de marque:Has the stepless unefficient tone controls and acoustic óñèëèòå
leu, as well as is provided by the spark inductor for telephone negotiations.
greatest acoustic strengthening, (decibel) - 72+-4, 5
output saturation level, (decibel) - 136
frequency range, (kHz) - 0, 3-4, 5 |