louise,Thank you for choosing Samsung's Q60A TV and for sharing your feedback regarding sound quality. I apologize for the inconveniences you have had with the inconsistent sound volume.The Auto Volume function automatically adjusts the sound to a certain level when changing channels or switching to another external input. Go to: Settings > Sound > Expert Settings > Auto Volume = OnYou may also want to perform a Sound Test under Support > Self Diagnosis > Start Sound TestIf the issue persists, please reach out to us so that we can provide further troubleshooting. Call us at 1-800-SAMSUNG (ask for TVs), available 8AM - 12AM EST, 7 days a week. For additional support resources, visit us on the Samsung website and click on the ‘Support’ link in the upper right corner of the homepage for:1) Chat with Us/Product Help: To begin a chat or find solutions, choose ‘TVs & Home Theater’ and select your model & topic.2) Manuals, Software, & Warranty Info~ Samsung Specialist

Jeff, Thank you for purchasing the Samsung Q60A TV and for sharing your experience with sound delays. Please be sure your firmware is up to date with version 1577.3 which includes updates to address any lip sync or audio delays that may be occurring. You can check this by going to: Settings > Support > Software Update. Should you ever have questions or need help, please call us at 1-800-SAMSUNG (ask for TVs), available 8AM -12AM EST M-F (9AM – 6PM EST Sat). Or text HELP to 62913. For additional support resources, visit us on the Samsung website and click on the ‘Support’ link in the upper right corner of the homepage for: 1) More ‘Contact Us’ options – LiveChat, Facebook, Twitter, Samsung Community, Samsung Members app 2) Manuals & Software 3) Warranty Info 4) Product Registration: For access to easy warranty support, convenient opt-in to special promos and offers, faster troubleshooting and service, and quick notification of system updates. ~ Samsung Specialist