Debra Audio Pro UHF Sistema Microfonico Wireless a 4 Canali con Portatile Senza Fili (B)
Debra Audio AU400 4 channel wireless microphone system. (Freqeuncy point: B-506/517.5/531/546.5). These series products adopt UHF frequency and use the international standard common frequency which can be used in all over the world.