The Icom HM-234 is a direct replacement of the Icom HM-173, Icom HM-112, Icom HM-119 speaker microphones (all of which are no longer made).
The Icom HM-234 Speaker Mic will work with the ICOM IC-A22, IC-A3, IC-A4,
IC-A5, IC-A23, IC-A14, IC-A14S, IC-A24, and IC-A6.
NOTE: For use on IC-A5 and IC-A23 you must already have the Speaker Mic Adapter
Plug (OPC-782), which unfortunately, is no longer available from Icom.
Icom part HM-234.
The Icom HM-234 is a direct replacement of the Icom HM-173, Icom HM-112, Icom HM-119 speaker microphones (all of which are no longer made).
The Icom HM-234 Speaker Mic will work with the ICOM IC-A22, IC-A3, IC-A4,
IC-A5, IC-A23, IC-A14, IC-A14S, IC-A24, and IC-A6.
NOTE: For use on IC-A5 and IC-A23 you must already have the Speaker Mic Adapter
Plug (OPC-782), which unfortunately, is no longer available from Icom.
Icom part HM-234.