The Studiomaster Professional ER 31 series is a high quality duet VHF microphone system designed to suit the needs of various professional applications.

  • VHF Band frequency Quartz Lock Control.
  • Dual Channel Receiver.
  • LED Indicator (Power, RF) & Telescopic antenna.
  • Special Circuit design to minimize microphone switch noise.
  • The ER 31/ EM 31 / EM 31 consists of two EM 31 handheld microphones
Operating Freq Range 160-245MHz
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