The Mackie MP-240 Professional In-Ear Monitors are designed for both performing artists and casual music listeners. For decades, Mackie’s renowned loudspeaker and monitor designs have been helping artists perform their best. MP-240 Professional In-Ear Monitors build on that legacy with incredible sound and build quality for both artists and personal listening. Featuring a dynamic driver paired with a balanced armature, MP-240 In-Ear Monitors deliver airy highs, low-end punch, and nuanced sonic detail. 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.