The H-143 type, Dynamic Earphone is a moving coil type earphone designed for use in a headband type headset or specific flight helmets, it also has ground crew support applications. The intended use is to provide audio communications under high noise conditions found in military, civilian and general aviation environments.
每付耳機標準基本規格為能調整上下的頭戴支架,頭部軟質襯墊,麥克風固定螺旋組,麥克風支架,75或150歐姆動圈式M-87/AIC麥克風,19歐姆H-143/AIC耳機與6.3mm單插頭導線或U-174/U or TP-120(7.14 mm) 4接點插頭.
This unite allows communications between:
● Pilot and passengers.
● Pilot to pilot within cockpit.
● Pilot to communication tower.