The Sennheiser SK 300 G4-RC is a waistband wireless transmitter compatible with the EM 300-500 G4 receiver. Durable metal products are suitable for everyday use on stage by performers and presenters. The transmitter operates in a wide tuning range of 50 MHz UHF with 2000 selectable frequencies. It provides up to 8 hours of operation on two AA batteries, a transmission range of up to 100 meters, and a selectable 10/30/50mW RF power output to overcome interference in RF environments.

SK 300 G4-RC has 3 locking devices.
The 5mm connector has adjustable mic/line input levels to suit your choice of lavalier or headset microphones. It also has a 2.5mm jack to connect the RMS 1 Remote Mute Switch (sold separately). This switch adds easy-to-access push-to-talk and push-to-mute functions to your transmitter.
When the synchronization function of the
SK 300 G4-RC is activated, the transmitter and receiver are connected to the same infrared frequency.
The transmitter's backlit LCD displays important information, while a simple programmable mute function can be turned off to prevent changes during the show.

The unit can also be powered by the rechargeable battery BA 2015 Accupack (sold separately). External users allow Accupack to charge without removing the transmitter - need L 2015 fast charger (supplied separately).

SK 300 G4-RC is backward compatible with all previous versions. You can mix and match G4 / G3 / G2 / G1 receivers or bodypacks, holders and pluggable transmitters.
It is also compatible with the EW 100 and EW500 systems.