The S4.04 is Trantec s simplest plug and play system, designed to launch you in to the world of wireless. It s rugged and compact frames hold a reliable multi-functioning system that is optimised for use with a range of microphones from handheld, to lapels, to headsets, or alternatively can be used with a musical instrument. The S4.04 Series Handheld microphone system comes with a wireless handheld microphone and a UHF wireless receiver. Available on channel 70 with 4 switchable licence free frequencies and fully synthesized PLL quartz tuning technology.