 
Main features
| Serial communication speed | 4800 bps | 
| Serial communication distance | 1 km maximum | 
| Microphone input sensitivity | 500 mV /600 ohm | 
| AUX input sensitivity | 350 mV / 10 kohm | 
| Audio output | 0 dB / 600 ohm | 
| Frequency response | 100 - 18,000 Hz (±1 dB) | 
| S/N ratio | MIC > 65 dB | AUX > 75 dB | 
| Distortion at 1 kHz | < 0.1% | 
| Settings | volume | 
| Power supply | 24 VDC | 
| Power consumption | 5 W | 
| Dimensions | 146 x 33 x 86 mm | 
| Weight | 500 g | 
