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Compact speaker microphone with revolving alligator clip

Icom America Inc

Icom America Inc HM-158LA Compact Speaker Microphone Keepsake

SKU CH-F1FE-PQSFC

Compact speaker microphone with revolving alligator clip, listen-only earphone jack and right-angle 2-pin screw-down connector

  • TypeKeepsakes
  • Compact speaker microphone built for radio durability
  • Revolving alligator clip enables flexible mounting options
  • Listen-only earphone jack allows private audio monitoring
  • Right-angle 2-pin screw-down connector ensures secure radio link
  • New condition guarantees full factory performance out of box

Compact Speaker Microphone for Radio Users

The Icom HM-158LA is a compact speaker microphone built for two-way radio operators who need a durable communication accessory. It features a revolving alligator clip for flexible attachment and a listen-only earphone jack for private audio monitoring. A right-angle 2-pin screw-down connector ensures a secure link to compatible radio equipment.

Thermals Noise and Power Draw

As a passive audio accessory, the HM-158LA draws no independent power and generates no heat or fan noise during operation. It relies entirely on the connected radio for electrical supply, adding no thermal load to the system. Acoustic output is limited to the speaker and earphone jack, producing no mechanical noise of its own.

Bundled Accessories and Software Impact

The revolving alligator clip allows the microphone to be secured at various angles on clothing or gear, adapting to different wearing preferences. The listen-only earphone jack enables discreet reception without broadcasting audio to bystanders. The right-angle 2-pin screw-down connector resists accidental disconnection caused by cable tension or movement.

Highlights

  • Compact speaker microphone built for radio durability
  • Revolving alligator clip enables flexible mounting options
  • Listen-only earphone jack allows private audio monitoring
  • Right-angle 2-pin screw-down connector ensures secure radio link
  • New condition guarantees full factory performance out of box

Specifications

TypeKeepsakes

Questions about this item

How do I connect the HM-158LA to my radio and which step is often missed?

Screw the right-angle 2-pin connector firmly into the radio's accessory port; the step people skip is tightening the screws completely, which causes intermittent audio.

What part of the HM-158LA will need replacement first with daily use?

The revolving alligator clip spring fatigues over time, so the clip loses grip and must be swapped for a new one.

What limit appears first when the HM-158LA is used continuously on long shifts?

The compact speaker driver overheats during extended transmit cycles, reducing audio output until it cools.

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