![Standard Horizon SSM-21A Speaker Mic f/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]](http://bestboatingsupplies.com/cdn/shop/products/88589XL_{width}x.jpg?v=1614684373)
![Standard Horizon SSM-21A Speaker Mic f/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]](http://bestboatingsupplies.com/cdn/shop/products/88589XL_530x@2x.jpg?v=1614684373)
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.
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.