Thump15A 1300W Powered LoudspeakerDelivering proven, chest-thumping low-end in an extremely affordable package; the 1300W Thump15A 15” Powered Loudspeaker has been redesigned from the ground up to sound better than ever. Thump features an all-new amplifier design with Dynamic Bass Response for chest-thumping low end. Plus, the flexible built-in 2 channel mixer features Vita preamps with Wide-Z technology that handle mic, instrument or line signals with ease. Application specific speaker modes let you dial in the system at the push of a button. And with an all-new professional enclosure and robust system protection, you can walk into your next gig with confidence. Application Specific Speaker ModesGet your speakers ready for action at the push of a button. Choose between four or six speaker modes* to instantly optimize the system for your application. Not only does this make setup even faster, but gives you a great starting point when it comes time to mix. Four modes available on Thump12A and Thump15A and six modes available on Thump12BST and Thump15BST.