Standard Horizon SSM-21A Speaker Mic
Best submersible microphone for marine radio users needing private, clear communication.
This rugged, submersible mic is the essential upgrade for keeping your radio accessible and your comms crystal clear in harsh marine conditions. You sacrifice a bit of bulk for the peace of mind that comes with a secure belt clip and a private earphone jack.
$60.99
at
Anchor Express
Who it's for
- Marine professionals working in wet or stormy conditions
- Users needing discreet communication in high-noise environments
- Active operators requiring hands-free radio access
Who should skip it
- Owners of non-Standard Horizon radio equipment
- Workers operating in extremely loud industrial settings
- Field users needing heavy-duty, long-term cable durability
Performance breakdown
Marine Durability
IP67 rating ensures reliable performance in harsh, saltwater environments.
Audio Clarity
Noise-canceling technology delivers crisp communication even in windy conditions.
Device Compatibility
Seamlessly integrates with a broad range of Standard Horizon handheld radios.
Ergonomic Design
Heavy-duty clip keeps the unit secure during active deck work.
Private Listening
Integrated earphone jack allows for discreet monitoring in quiet settings.
Build Quality
Rugged construction stands up to the demands of daily marine use.
Key Specs
Manufacturer
Standard Horizon
Model Number
SSM-21A
Accessory Type
Microphone
Microphone Type
Speaker Microphone
Connector Type
Threaded Single Pin 4 Conductor Connector
Cable Length
3.3 Feet (1 Meter)
Waterproof Rating
IPX7
Noise Cancellation
Yes
Frequency Band
VHF, Marine Band
Compatible Radio Type
Two-Way Radio (Walkie Talkie), Marine Radio
Know before you buy
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