The Triad-Orbit IO-R Retrofit Quick-change Coupler provides instant compatibility between conventional mic stands, boom arms and mic clips and Triad-Orbit advanced microphone stand system components. The IO-R features the industry-standard 5/8-inch female mounting thread and an optional 3/8-inch BSW adaptor for universal compatibility. IO-H quick-change mounting heads provides instant compatibility between conventional mic stands, boom arms and mic clips and Triad-Orbit advanced microphone stand system components. The IO-H features the industry-standard 5/8-inch mounting thread and an optional 3/8-inch BSW adaptor for universal compatibility