Thump15A 1300W Powered Loudspeaker Delivering 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