The R184W is supercardioid cartridge for Microflex MX Series and WL183, WL184 and WL185 microphone. The cartridge is suitable for Microflex MX183, MX202, MX391, MX392, MX393, MX405, MX410, MX415, MX412, MX418, and WL183, WL184 and WL185 microphones. Cartridge is available in white color.