FMUSER FU-15B Professional Transmitter CZE-15B SDA-15B Advanced 15w FM transmitter with PC Control Temperature & SWR Protection with1/4 wave Gp antenna and Power supply FMUSER FU-15B Professional Transmitter CZE-15B SDA-15B Advanced 15w FM transmitter with PC Control Temperature & SWR Protection +1/4 wave Gp antenna+Power supply FMUSER is keeping developing new products with high quality and excellent performance. They might not be the cheapest, but they are the best at the most rational cost. FU-15B 15w transmitter,more perfect and more advanced.It is a versatile FM transmitter with a variety of protection features of high-fidelity sound, excellent harmonic, good clutter suppression and so on. It can quickly set up a reliable wireless high-fidelity sound system or FM radio wireless acoustic system, the ideal coverange is around 15km at 15watt.