Perfect for two-way communications systems including the ListenTALK Transceiver, the LA-451 earspeaker with boom mic offers exceptional audio clarity and a lightweight solution for staying connected.
| Color | Black |
| Cable Length | 104 cm (41 in.) |
| Unit Weight | 27 g (0.93 oz.) |
| Shipping Weight | 31 g (1.07 oz.) with 454 g (1.0 lbs.) minimum |
| Connections/s | Male 3.5 mm (TRRS), CTIA complaint |
| Microphone Element | Electret |
| Microphone Polar Pattern | Omnidirectional |
| Microphone Impedance | 2.2 kOhms typical |
| Microphone Sensitivity | -40 dBV/Pa @ 1 kHz |
| Microphone Bandwidth | 100 Hz – 10 kHz |
| Microphone Bias | 1 – 10 VDC |
| Headphone Impedance | 32 Ohms |
| Headphone Bandwidth | 300 Hz – 10 kHz |
| Standards | RoHS |