The MP-BTA Bluetooth adapter allows you to experience the sound of the Mackie MP series in-ear monitors with complete freedom. The MMCX connectors make connecting a breeze, and the Bluetooth 4.0 technology ensures long battery life and reliability. With the built-in microphone and mobile controls, you can take calls and manage your music library. The Mackie MP-BTA is available individually or in a bundle with selected MP series in-ear monitors.