The Sennheiser ew 500 FILM G4-AS Portable Wireless Combo Set (520 - 558 MHz) provides the highest flexibility for your video sound and field recording applications. A robust wireless microphone system that offers ultimate sound quality, simple mounting and ease of use. Covers all sorts of applications on the set: The 48V phantom-power equipped SKP 500 turns all wired mics into a wireless transmitter, the MKE 2 Gold is a state-of-the-art professional clip-on microphone offering the highest speech intelligibility.