Wireless lavalier microphone set for free movement while performing or speaking.
The EW-DX MKE 2 set from Sennheiser contains two EW-DX SK (wireless bodypack transmitters), two MKE 2 (omni-directional clip-on lavalier microphones), an EW-DX EM 2 rackmout receiver (2 channels) and two BA 70 rechargeable batteries.