| Type: | Dynamic speaker-microphone | 
| Frequency response: | ? Hz (-6 dB) | 
| Sensitivity: | ? dB (? Hz, ? cm) | 
| Output level: | ? mV | 
| Output impedance / connector: | ? ohm / 2.5 and 3.5 mm plugs at 90° angle | 
| Power supply: | - | 
| Current drain: | - | 
| Dimensions (W*H*D): | 52*72*44 mm (2.05*2.84*1.73") | 
| Weight: | 124 g (4.37 oz), including the coiled cord and connectors | 
| Manufactured: | Japan, 19xx-199x (Discontinued) | 
| Other: | Same as IC-HM9 except for the angled connectors | 
| Related documents: |  | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Applicable radios: | IC-2iA IC-2iE
 IC-4iA
 IC-4iE
 And possibly other transceivers...
 |