The DWZ-M70 / DWZ-B70HL is a digital wireless package offering users high sound quality with 24-bit linear PCM digital transmission, and reliable RF transmission with data compensation technology taken from the DWX Series. It also has 128-bit AES-secured transmission for privacy, and a feedback-reducing feature to eliminate annoying acoustic feedback during presentations. The DWZ-M70 includes a handheld microphone and half-rack receiver. The DWZ-B70HL includes a headset, lavalier, bodypack transmitter, and half-rack receiver.