Description
Lightweight Commercial Remote Speaker Microphone with Earphone Jack
Compact shoulder speaker mic featuring a 2-pin screw-down connector, 3.5mm listen-only audio port, and 360-degree revolving clip for Icom portable radios.
The Icom HM158LA (catalog part HM-158LA) is an authentic original equipment manufacturer (OEM) compact remote speaker microphone designed for commercial Icom portable transceivers. Engineered to provide clear, reliable audio transmission without removing the radio from your belt or holster, this lightweight shoulder microphone improves daily operational efficiency across warehouse management, education, hospitality, security, and job site environments.
Built for dependable daily service, the Icom HM158LA features a reinforced right-angle 2-pin connector equipped with dual screw-down locking fasteners to ensure a secure, rattle-free connection that prevents accidental disconnection. The microphone body houses a high-output internal speaker and a sensitive omnidirectional microphone element protected behind a durable front acoustic grill. A side-mounted secondary 3.5mm audio jack allows users to connect private listen-only earpieces in loud or confidential surroundings, while a 360-degree revolving alligator clip securely grips lapels, epaulets, and duty straps. Operating under FCC Licensing commercial standards, the HM158LA delivers long-term audio reliability across Icom digital and analog handhelds.
Key Features & Benefits
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Compact & Lightweight Form Factor: Ergonomic profile fits comfortably in the hand and rests discreetly on uniform lapels without pulling on fabric.
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Dual-Screw 2-Pin Locking Interface: Reinforced right-angle plug features dual retention screws to ensure an airtight, rattle-free mechanical connection.
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Integrated 3.5mm Earpiece Jack: Enables quick connection of secondary listen-only surveillance earpieces for discreet private communications.
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360-Degree Revolving Swivel Clip: Heavy-duty spring-loaded rear alligator clip rotates 360 degrees to anchor firmly to shirts, jackets, or tactical vests.
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Durable Heavy-Duty Coiled Cord: Flexible, strain-relieved coiled cable extends up to 19.3 inches to accommodate natural body movement.
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Genuine Icom OEM Quality: Manufactured to strict OEM electrical tolerances to guarantee optimal modulation and audio reproduction.
Specifications
| Attribute |
Details |
| Brand |
Icom |
| Model / SKU |
HM158LA / HM-158LA |
| Product Type |
Compact Remote Speaker Microphone (RSM) |
| Radio Connector Type |
Right-Angle 2-Pin Screw-Attached Connector (2.5mm / 3.5mm) |
| Auxiliary Audio Jack |
3.5 mm (1/8") Mono Listen-Only Earphone Port |
| Housing Construction |
High-Impact Commercial-Grade Polymer |
| Mounting Hardware |
360-Degree Revolving Metal-Reinforced Alligator Clip |
| Cable Length |
19.3 in (490 mm) when curled |
| Weight |
4.4 oz (125 g) |
| Microphone Type |
Omnidirectional Electret Condenser |
Compatibility
Compatible Icom Portable Radios
What’s Included
| Description |
SKU/Model |
Status |
| Icom Compact Remote Speaker Microphone |
HM158LA |
Included |
| 360-Degree Swivel Clothing Clip |
Integrated |
Included |
| 2-Pin Screw-Down Cable Assembly |
Integrated |
Included |
Recommended Accessories
Listen-Only Earpieces
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Icom SP27 Complete Acoustic Tube Earphone – Clear acoustic tube listen-only earpiece with a 3.5mm plug for discreet private listening.
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Icom SP13 Earbud Style Earphone – Compact 3.5mm listen-only earbud with flexible coiled cable for shoulder speaker microphones.
Batteries & Charging Hardware
More Resources
Frequently Asked Questions
Does the Icom HM158LA include an earphone jack?
Yes. The Icom HM158LA features a side-mounted 3.5mm (1/8") audio jack that allows users to plug in standard listen-only earpieces or acoustic tube surveillance headsets for private monitoring.
How does the connector attach to the radio?
The Icom HM158LA utilizes a 2-pin right-angle connector with dual mechanical thumb screws that thread directly into the radio chassis, preventing accidental disconnects during active shifts.
Is the Icom HM158LA waterproof?
The HM158LA is designed for standard indoor and outdoor commercial use but does not carry a submersible IP rating. For full IP67 waterproof submersion protection, consider the Icom HM-168LWP.
Is the clothing clip adjustable?
Yes. The rear alligator clothing clip swivels a full 360 degrees, allowing you to position the speaker microphone comfortably at any angle on your lapel, collar, or vest strap.
Is this an authentic Icom product?
Yes, the Icom HM158LA is a genuine original equipment manufacturer (OEM) accessory manufactured directly by Icom America.
Warranty
1-year manufacturer’s replacement warranty.
