- Single-Ear Design
- For Two-Way Communication Systems
- Compatible with ListenTALK Transceivers
- Electret-Condenser Boom Mic
- The Listen Technologies LA-451 Ear Speaker Headset with Boom , is a headset designed to be used with two-way communications systems, and is specifically compatible with ListenTALK transceivers. Its electret-condenser boom mic, sporting a male 3.5mm TRRS connection.