| Model |
ER 31/EM 31/ EM 31 (Handheld + Handheld) |
| Receiver |
Dual Channel Non-Diversity |
| Frequency response |
50Hz – 15 KHz |
| Polar Pattern (Hand mic) |
Cardioid |
| Output |
Unbalanced ¼” Jack |
| Power Req. (Hand mic) |
9 V Alkaline Battery |
| Receiver |
240V AC 50Hz for AC Adaptor Supplied with the set |