Sony Launches Action Cam Duo FDR-X3000R And HDR-AS300 With New BOSS Feature Sony's new Action Cam — the 4K FDR-X3000R and HDR-AS300 are set to ship in the U.S. in September and start at $299.99. The Action Cam bring the company's Balanced Optical SteadyShot or BOSS technology in tow. by Anu Passary