Headset microphone Sennheiser HSP 4 EW-3
The Sennheiser HSP 4 EW-3 is a professional cardio-condenser headset microphone.
Specifications
| Capsule type | Condenser |
| Capsule diameter | 8,4 mm |
| Boomarm diameter | 2,4 mm |
| Frequency response | 40 — 20,000 Hz |
| Sensibility | 150 dB max. |
| Equivalent noise level | 37 dB-A |
| Nominal impedance | 1000 Ohm |
| Min. terminating impedance | 4700 Ohm |
| Current consumption | ca. 250 µA |
| Operating voltage (stand alone) | 4,5 — 15 V |
