When I was looking into this problem, I learned that Sunfire resorted to a factory-installed eeprom chip replacement on their TG2 when they had similar problems. Apparently, they were able to fix the TG3 audio drop-outs via firmware upgrade without their customers having to send their units to the factory.

These problems are more common than I thought. That's why I stuck with Outlaw before spending thousands more on somebody else. Outlaw Audio is one of the few companies that I have seen that addresses their problems in a public forum such as this.