Sennheiser EW300 IEM G3 system package – Gearwise – AV & Stage Equipment
Sennheiser EK 300 IEM G3 (556-608 MHz, "G" band) Wireless bodypack receiver with ear-canal headphones at Crutchfield
Amazon.com: Sennheiser Consumer Audio Compatible with Sennheiser Ek 300Iem G3 - Diversity Bodypack Receiver with IE4 Ear Buds For Wireless Monitoring - G Range (566-608 Mhz) : Musical Instruments
SENNHEISER 503649 SR 300 IEM G3 IN EAR MONITOR TRANSMITTER 823-865MHz, Ch 69/70 ready