Whether you need a powerful vocal PA or a club-shaking bass performance for a DJ set, the TS4 speakers deliver loud, clear, room-filling sound for any application. With a 15-inch woofer and a 1.4-inch compression driver, the TS412 provides class-leading performance and clarity at 2500 W. The Alto App is available for free on both Android and iOS, allowing for convenient remote control of Bluetooth levels, speaker usage modes, custom EQ, and sub size selection. Additionally, the True Wireless Stereo connection can be configured remotely via the app to save time during setup.