- Omnidirectional cartridge
- for Microflex Boundary MX391
- MX393; Microflex Overhead MX202
The Shure R183W is a replacement cartridge for all Microflex MX Series and WL183 microphones. The R183W provides a performance equal to the original cartridge included with the WL183 lavalier and Microflex MX series microphones.