LD Systems ANNYRB51 Wireless Receiver Module for ANNY PA SystemAdd a single audio channel of wireless reception to your ANNY PA loudspeaker with the ANNY R from LD Systems. The module fits right into the expansion slot on the ANNY 10 or ANNY 8, allowing you to receive wireless audio from the ANNY MD handheld mic transmitter or the ANNY BP bodypack transmitter (both available separately). The unit operates in the 512 to 542 MHz band of the UHF spectrum, providing 12 frequency options to ensure a reliable