Next-gen MEMS ultrasonic solid-state earbud drivers will deliver the bass

While MEMS drivers may be the next big thing in true wireless earbuds, the first models with the solid-state components still require a hybrid setup. These products pair a MEMS speaker with a dynamic driver to ensure proper bass performance. The current-gen driver from xMEMS, a California-based company that develops the audio components, is called Cowell and it's already available in earbuds from the likes of Creative and Noble Audio.