The Bose Music app is a purpose-built app for the L1 Pro portable line array family. With the Bose Music app, you can adjust mixer settings instantly from your phone or tablet. This means you can do things like walk the room, hear how the mix sounds, and fine-tune as you go. As you adjust parameters in the app, the LED encoder on your L1 Pro moves to sync, in real time, so the app and the mixer on your L1 Pro always match. The app also provides access to the entire ToneMatch library of custom EQ presets. It’s available for download for free on both the Google Play store and the Apple App Store.