Kenwood USA Corporation, bolstering its leadership position in the area of factory radio connectivity, announces its latest product innovation in the CarPortal™ family of factory radio integration solutions. The KOS-A300 ($320 suggested retail price) provides an elegant and seamless method of integrating multiple audio sources such as the Microsoft Zune, iPod, iPhone, satellite radio, HD Radio and mass storage devices to just about any factory radio system (optional iPod, HD Radio and satellite radio accessories are required). The KOS-A300 is the first product manufactured by Kenwood that features Microsoft Zune connectivity…