dB Technologies PU 920P wireless instrument system is a digital controlled 16 channel system that helps to improve your performances through the latest structure in SMD technology. dB PU920P comprises an PU 920 P pocket transmitter and an PU 920 R receiver. dB Technologies PU 920 P instrument set includes a newly developed digital squelch control that offers extremely high operating reliability. Dynamics, audio quality, and operation set new standards in relation to price and performance.