An in-ear audio device includes a driver module disposed within an in-ear enclosure, and a mounting region of the in-ear enclosure including a device engagement mechanism comprising an engagement feature that is formed on a surface of the in-ear enclosure. The driver module is configured to deliver audible output provided from the driver module to an output end of the in-ear enclosure. At least a portion of the engagement feature is configured to engage with a mating engagement feature of an interchangeable faceplate to cause the interchangeable faceplate to be coupled to the engagement feature.