One of his passions is troubleshooting Mac problems and making ... updates to OS X 10.5 for PowerPC systems, a number of Harman Kardon iSub owners found their speaker systems no longer worked ...

My first contact with Harman Kardon was a dead end. These speakers had been end of life for years, so no, they couldn’t fix them or provide any repair aid. They did have a third-party company ...