Great sounding sax/brass wireless system. 
Sax, trumpet and trombone players; free yourselves from the tyranny of the microphone stand!
These systems are in excellent/as new condition. 
Fully tested. Work great/Sound great. 
Trantec S4.4 is a 'gorgeous' little beltpack wireless system that is so simple to set up and use. Just match the channel on the transmitter with the receiver and you're all set. 
4 UK license free frequencies are available, so you'll never have a problem with interference. 
Compact, heavy duty metal receiver with XLR or jack outputs. See image 3. 
With great sounding clip-on condenser microphone with flexible gooseneck for quick and easy positioning. 
Condenser microphone capsule with extended L.F. and H.F response captures all the nuances of your instrument while handling all the level you can throw at it.