![Standard Horizon SSM-21A Speaker Mic f\/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]](https://cdn11.bigcommerce.com/s-7fj9vl55dc/images/stencil/600x600/products/30698/36367/88589XL__34013.1660956951.jpg?c=1 "Standard Horizon SSM-21A Speaker Mic f\/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]")
Product Overview
SSM-21A Speaker Mic for HX890, HX400, HX400IS, HX380, HX40 & HX210
Standard Horizon SSM-21A submersible speaker microphone with heavy-duty belt clip. Compatible with Standard Horizon HX890, HX400, HX400IS, HX380, HX40, and HX210.
![Standard Horizon SSM-21A Speaker Mic f\/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]](https://cdn11.bigcommerce.com/s-7fj9vl55dc/images/stencil/1280x1280/products/30698/36367/88589XL__34013.1660956951.jpg?c=1 "Standard Horizon SSM-21A Speaker Mic f\/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]")
SSM-21A Speaker Mic for HX890, HX400, HX400IS, HX380, HX40 & HX210
Standard Horizon SSM-21A submersible speaker microphone with heavy-duty belt clip. Compatible with Standard Horizon HX890, HX400, HX400IS, HX380, HX40, and HX210.
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