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 Pocket (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Skype (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Telegram (Opens in new window)