Alto Pro TX4 Active PA Speaker with Bluetooth (Single) The Alto Professional TX412 is an all-purpose solution for any performer or business owner looking to bring serious sonic power to any large space or outdoor area without breaking the bankTuned and designed in the United States, this unit punches far above its price pointthe TX412 is optimized to deliver sound that is lush with harmonic clarity and detail, even when utilizing all 700W of sheer sonic force that this unit is capable of. Thanks to a set of simple controls, the TX412 is highly intuitive and easy to operate. This powered speaker allows users fine tune their speaker's output regardless of their technical know-how or experience. Thanks to Bluetoothconnectivity, the Alto Professional TX Series ensures that users can get their PA system up and running completely cable free. This feature is perfect for any application that requires two simultaneous sources of audio, such as a microphone and background music running at the