| External power supply 1 | 18 to 56 VDC |
| External power supply 2 | 18 to 56 VDC |
| Power consumption | 8 W max |
| Microphone input (Audio input 1) | |
| Sensitivity | -48.5 to -26 dBV |
| Impedance | 1360 ohm |
| Frequency response | 100 Hz to 15 kHz |
| S/N | >60 dB |
| Supervision detection | Electret: 0.4 – 5 mA Dynamic: 120 – 1300 ohm |
| Line Inputs (Audio input 1 and 2) | |
| Sensitivity | -16.5 to +6 dBV |
| Impedance | 22 kohm |
| Frequency response | 20 Hz to 15 kHz |
| S/N | >70 dB |
BOSCH |
