Sennheiser EW300IEM-G3 Wireless Monitor System, Rack Mountable Transmitter, Bodypack Receiver, and IE4 Ear Buds, Includes GA2 Rack Mount Kit, Block G (Frequency range 566 – 608 MHz).

Sennheiser 508490. XSW-D Portable ENG Set.

The AVX-835 SET includes a handheld microphone, the plug on receiver and all accessories to operate out of the box with camcorders as well as DSLR cameras.

Sennheiser AVX ENG Set, includes Handheld transmitter with e835 capsule, Bodypack transmitter, ME-2 lavalier mic, and EKP plug-on receiver.

Sennheiser Dual Channel IEM System: (1) SR 2050XP IEM dual channel stereo IEM transmitter; (2) EK 2000 IEM stereo IEM Receivers with IE4 Earbuds, Frequency Range A (516 / 558MHz).

Sennheiser EW100-G4, ENG Combo System.  evolution wireless G4 Evolving with you.

Sennheiser EW112P-G4, Portable System. Consisting of Bodypack Transmitter With ME2 Omni Lavalier And Portable Receiver, Block G (Frequency range 566 – 608 MHz)

Sennheiser MEMORY MIC. Omnidirectional, pre-polarized condenser.