Standard SSM-517A Ear Bud with Microphone — Model: SSM-517A. This earpiece microphone replaces the SSM-55A and is engineered to work with HX890, HX870, HX400, HX407, HX380, HX290, HX210, and HX40 for seamless, reliable communications.

Designed as a direct upgrade, the SSM-517A delivers clear audio with a compact form factor that stays securely in place during operation, making it ideal for professional environments where hands-free communication matters.

• Direct replacement for SSM-55A
• Built-in microphone for easy hands-free voice transmission
• Compact, low-profile earpiece designed for comfortable all-day wear
• Easy upgrade that preserves your existing HX-series radio setup

Compatibility

• HX890
• HX870
• HX400
• HX407
• HX380
• HX290
• HX210
• HX40

Upgrade your communications with the Standard SSM-517A and enjoy reliable audio clarity and effortless compatibility across your HX-series radios.