The LA-452 from Listen Technologies features a built-in boom mic and earpiece for hands-free communication, and the over-the-head design makes it easy and comfortable to wear.
| Color | Black and Gray |
| Cable Length | 93 cm (37 in.) |
| Unit Weight | 2.21 oz (0.14 lbs) |
| Shipping Weight | 71 g (2.50 oz.) with 454 g (1.0 lbs.) minimum |
| Connections/s | Male 3.5 mm (TRRS), CTIA complaint |
| Microphone Element | Electret |
| Microphone Polar Pattern | Unidirectional – Noise Cancelling |
| Microphone Impedance | 1.5 kOhms typical |
| Microphone Sensitivity | -40 dBV/Pa @ 1 kHz |
| Microphone Bandwidth | 200 Hz – 6.8 kHz |
| Microphone Bias | 1.5 – 3 VDC |
| Headphone Impedance | 140 Ohms |
| Headphone Bandwidth | 200 Hz – 6.8 kHz |
| Standards | RoHS |
