Standard Horizon Speaker Microphone

Standard Horizon SSM-21A Submersible Speaker Mic The Standard Horizon SSM-21A is a submersible and intrinsically safe rated speaker mic for Standard Horizon Marine Radios. The SSM-21A can be submerged under water up to 9 feet deep for 30 minutes and features a swivel belt clip for comfortable wearing. The Standard Horizon SSM-21A is the direct replacement for Standard Horizon SSM-14A Speaker Mic. The Standard Horizon SSM-21A has a one year replacement warranty.
 

The Standard Horizon SSM-21A Speaker / Microphone is designed to work with Standard Horizon HX380, HX290, HX370S, HX400, HX851 and HX870 VHF radios.

Features:

• For use with Standard Horizon's HX380, HX290, HX370S, HX400, HX851 and HX870 VHF radios
• Commercial grade noise-cancelling 
• Waterproof submersible design with IPX7 protection
  • 3.3 Feet (1 Meter) for 30 minutes
• Includes heavy duty belt clip

Note: Replaces SSM-14A Speaker / Microphone