Standard SSM-517A Earpiece MicrophoneModel: SSM-517AThis earpiece microphone replaces the SSM-55A and works with HX890, HX870, HX400, HX407, HX380, HX290, HX210, HX40
Standard SSM-21A Speaker MicrophoneModel: SSM-21AThe SSM-21A is a high performance Submersible speaker microphone desiged especially for their hand held transceivers.
Compact Speaker MicThe SSM-17H is fully compatible with all the handheld transceivers that have a speaker mic connection. The audio power, quality and design of the SSM-17H are improvements as...
SSM-517A Earpiece Microphone for HX270, HX370, HX471 & HX400The Standard Horizon SSM-517A Earpiece Microphone is compatible with HX270, HX370, HX471, and HX400. Manufacturer : Standard Horizon...