Audio-Technica Dual-Ear Microphone Mount (AT8464TH) The at8464-th from Audio-Technica is a microphone mount that allows you to convert a single-ear BP892 or AT892 micro set into a comfortable and stable dual-ear design. The mic can be attached to either side of the mount, letting you wear the mic to the left or right of your mouth. The mount has an adjustable headband to accommodate a variety of head sizes