AKG D5 WL1 Professional Condenser Microphone Head for HT4500 Handheld Transmitter - ProAudio.com
AKG D5 WL1 Microphone Head - SCMS, Inc
AKG Acoustics PR4500 ENG Set HT Reference Wireless System, Includes PR4500 ENG Diversity Receiver, HT4500 Transmitter, D5 WL1 Mic Head, Band 1 650-680MHz