Rigorously engineered to meet the needs of demanding professionals working in business and educational settings, houses of worship, or on stage, theSennheiser EW-DX SK-SKM-S BASE SETis a dual-channel digital UHF wireless system with an impressive feature set designed to simplify your workflow while delivering uncompromising audio quality. This configuration includes a 1/2-rack, dual-channel receiver, one bodypack transmitter without a lavalier, and one handheld transmitter without a mic capsule—so you can choose your preferred lav mic and mic capsule for the application.