![Standard Horizon SSM-517A Earpiece Microphone f/HX270, HX370, HX471 HX400 [SSM-517A] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/91439XL_650x.jpg?v=1677106221)
Product Details
SSM-517A Earpiece Microphone for HX270, HX370, HX471 & HX400
The Standard Horizon SSM-517A Earpiece Microphone is compatible with HX270, HX370, HX471, and HX400.
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