The beaming Hard Rock1 Tower speakers stand tall to pump out thunderous sound that radiates in every direction. Designed to perfection, with a built-in amplifier, the speakers promise to reflect the purity of sound. They are magnetically shielded to use PC and TV without an iota of interference. The speakers offer BT connectivity, USB, SD, MMC options. Besides, Audio crossover, Optical input, LED display and Remote control. Easily grab those extra eyeballs with these three way speaker system offering a correct frequency sync.