Bullet Speed's Sound Bar for the Bullet Speed V-back top also fits the original slingshot top: The Bullet Speed Fat-back.  It includes two 6.5" marine grade Polk Audio DB651s 165 Watt peak, 55 Watt RMS Coaxial speakers.  It is powered by a Boss Audio 100 Watt CE102 amplifier and equipped with prewired harness for easy installation in your Polaris Slingshot.  It is fabricated from 5052 Aluminum and TIG welded designed for use with the stock Polaris SL/LE head unit. The amp fits behind the display.  This prestige system may be custom built to order in any color.