NSP Race Sonic Pro CarbonNSP Race Sonic Pro Carbon The NSP Sonic, with its recessed shape will allow you to effortlessly link bump after bump The NSP Sonic is our pure open water, downwind raceboard that also performs exceptionally well in crosswind and upwind conditions. These boards are at their very best when you hit some chop or string together bump after bump on ocean swell. Design: The evolution of the Sonic focuses on increasing stability by lowering the center of