Audio Improvement NMS 82xx This Audio improvement will fix the soundlevels between the PSG and the Soundchip that is used in the cartridge slot.Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)