MP-220 Professional In-Ear Monitors build on that legacy with incredible sound and build quality for both artists and personal listening. Dual precision-tuned dynamic drivers per side provide deep low-end and enhanced clarity to keep you in-tune with your music. And thanks to their specially molded enclosures, they sit gracefully in your ear with a comfortable, ergonomic fit and superior sound isolation. The included MP-BTA Bluetooth® Adapter makes on-the-go listening a breeze. Elevate your performance and music with Mackie MP-220 Professional In-Ear Monitors.