In a press release touting its latest home theater receivers, Harman Kardon has made mention of yet-unannounced high-definition video output features for the iPod and iPhone. Both the Harman Kardon AVR 3600 and AVR 2600 are compatible with the company’s The Bridge III Universal Dock for the iPod and iPhone, which, according to the release, allows the receivers to “play back HD videos from iPod or iPhone products.” While it was previously…