WJ39-001 JA61 Low Impedance Intercom Adapter for Intercoms with 5 Ohm Mic - 8 Ohm Phones The Low impedance intercom adapter is used to adapt the wiJAC™ JA61-0xx Intercom Adapter to a low impedance (5 ohm mic 8 ohm phones) aircraft audio system. The WJ39-001 unit features an indmore...