| Model |
ER 58/EL 58 (Lapel + Headset) |
| Receiver |
Single Channel Non-Diversity |
| Frequency response |
50Hz – 15 KHz |
| Polar Pattern (Lapel mic) |
Cardioid |
| Output |
Unbalanced ¼” Jack |
| Power Req. (Lapel mic) |
9 V Alkaline Battery |
| Receiver |
240V AC 50Hz for AC Adaptor Supplied with the set |