![Standard Horizon SSM-517A Earpiece Microphone f/HX270, HX370, HX471 HX400 [SSM-517A] Brand_Siren Marine In North America](https://cdn.shopify.com/s/files/1/0943/8652/0347/files/91439XL.jpg?v=1747269125)
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Forespar® now offers two mast light systems of superior quality
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Standard Horizon SSM-517A Earpiece Microphone f/HX270, HX370, HX471 HX400 [SSM-517A] Brand_Siren Marine In North AmericaSSM 517A Earpiece Microphone for HX270, HX370, HX471 & HX400 The Standard Horizon SSM 517A Earpiece Microphone is compatible with HX270, HX370, HX471, and HX400. Specifications: Type: Microphones Box Dimensions: 1"H x 3"W x 4"L WT: 0. 15 lbs UPC: 788026176373
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