(Compatible With Sennheiser EW100 SK100 EK100 G1 G2 G3, EW300 SK300 EK300 G1 G2 G3, EW500 SK500 EK500 EK2000 G1 G2 G3. Wireless). Industry-standard sound quality along with surprising durability make this mini Lavalier microphone ideal for just about any vocal sound and speech applications.
eBay