Shure RK100PKW RFI Resistant , Inline Preamp for all MX Models (White)

White inline preamplifier for Shure Microflex microphones that boosts resistance to RF interference from mobile phones and wireless devices. It supports a wide range of Microflex and miniature models, including the MX150, MX153, MX183, MX184, MX185, MX418, MC50, and MC51, plus select Beta and SM miniature microphones. The white housing blends with light ceilings and walls, making it a clean fit for overhead choir, theater, and conferencing installations.