The shure slxd dual wireless handheld microphone system with sm58 is a professional digital wireless solution for dual vocal performances live events and installed sound applications. Combining two legendary sm58 dynamic microphone capsules with the advanced slx d digital platform it delivers transparent audio reliable rf stability and secure operation for demanding professional environments.operating in the k55 frequency band this dual system provides wide tuning coverage and efficient frequency coordination for multi channel setups. With showlink remote control aes 256 encryption and rugged metal construction throughout the slxd dual sm58 system is ideal for stages theatres houses of worship and corporate applications requiring consistent clarity reliability and control across two microphones.