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![Standard Horizon SSM-517A Earpiece Microphone f\/HX270, HX370, HX471 HX400 [SSM-517A]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/1280x1280/products/17415/22235/91439XL__83224.1729079523.jpg?c=1 "Standard Horizon SSM-517A Earpiece Microphone f\/HX270, HX370, HX471 HX400 [SSM-517A]")
SSM-517A Earpiece Microphone for HX270, HX370, HX471 & HX400
The Standard Horizon SSM-517A Earpiece Microphone is compatible with HX270, HX370, HX471, and HX400.
Specifications:
![Standard Horizon SSM-21A Speaker Mic f\/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/16529/20880/88589XL__65678.1729076649.jpg?c=1 "Standard Horizon SSM-21A Speaker Mic f\/HX890, HX400, HX400IS, HX380, HX40 HX210 [SSM-21A]")
Standard Horizon
![Standard Horizon RAM4X Wireless RAM Microphone f\/GX2400 [SSM-72H]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/15343/18980/84469XL__29085.1729072703.jpg?c=1 "Standard Horizon RAM4X Wireless RAM Microphone f\/GX2400 [SSM-72H]")
![Standard Horizon Wired Remote Access Microphone RAM4 [SSM-70H]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/8457/10663/62894XL__99817.1729052793.jpg?c=1 "Standard Horizon Wired Remote Access Microphone RAM4 [SSM-70H]")
![Standard Horizon Replacement Speaker Microphone f\/Quantum GX6000 VHF\/AIS [SSM-76H]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/11699/14435/74881XL__87470.1729061984.jpg?c=1 "Standard Horizon Replacement Speaker Microphone f\/Quantum GX6000 VHF\/AIS [SSM-76H]")
Standard Horizon
![Standard Horizon Bluetooth Headset f\/HX891BT [SSM-BT20]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/22719/29922/103610XL__68810.1729095696.jpg?c=1 "Standard Horizon Bluetooth Headset f\/HX891BT [SSM-BT20]")
![Standard Horizon Earphone f\/SSM-14 [SEP-10A]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/7129/9147/56455XL__94330.1729049146.jpg?c=1 "Standard Horizon Earphone f\/SSM-14 [SEP-10A]")
![Standard Horizon Compact Speaker Mic [SSM-17H]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/15563/19327/85338XL__41453.1729073461.jpg?c=1 "Standard Horizon Compact Speaker Mic [SSM-17H]")
![Standard Horizon Heavy Duty Belt Clip f\/HX370S, HX370SAS, & HX471S [CLIP-17]](https://cdn11.bigcommerce.com/s-rzbejpjurm/images/stencil/300x300/products/5409/7007/49717XL__55722.1729044164.jpg?c=1 "Standard Horizon Heavy Duty Belt Clip f\/HX370S, HX370SAS, & HX471S [CLIP-17]")
Standard Horizon
