Sennheiser EW-DP ENG Wireless Lavalier Microphone System (R4-9) - Wireless video microphones - SoundStoreXL.com
Amazon.com: comica Lavalier Microphone, CVM-M-O1 Omnidirectional Lapel Microphone for Sennheiser, and Other Wireless Lavalier Transmitter, Clip-on Lav Mic for DSLR Camera Video Recording Interview(3.94ft) : Musical Instruments
Sennheiser AVX-ME2 SET Digital Camera Mount Wireless Omni Lavalier Microphone System