Funke Avionics (Walter Dittel) F10061
10W Small Aircraft Loudspeaker, 4 Ohm, Robust Case, 5-pole Sockets, for 2 Microphones or Headsets
Use with F10028, F10029, F10189, F10190 cable set. Compatible with Walter Dittel FSG2T, FSG71M, FSG90, FSG90E, FSG90F, FSG90H radios