The PD504B is a digital wireless microphone system featuring four high-quality bodypack transmitters with an LCD display and mute function, along with a 4-channel receiver. The receiver includes IR data transmission for frequency synchronization between the receiver and transmitters, significantly simplifying frequency settings. The frequency is automatically transmitted to the transmitter by simply holding it in front of the receiver. Up to 4x 50 UHF channels can be set, allowing for simultaneous use of all four microphones without any issues. The high-quality receiver with CPU control ensures excellent signal transmission. Four dynamic LCD displays are integrated on the front. The PD504B is a premium set that impresses even the most demanding users. Delivery is in an aluminum case.