Studiomaster ER 31/EM 31/EL 31 Wireless microphone
- VHF Band frequency Quartz Lock Control.
- Dual Channel Receiver.
- LED Indicator (Power, RF) & Telescopic antenna.
- Special Circuit design to suppress microphone switch noise.
- The ER 31/ EM 31 / EL 31 consists of one EM 31 handheld & one EL 31 Lapel microphones.