Columbia, Md. - iBiquity Digital, the developer of HD Radio technology that lets radio stations transmit a digital signal alongside their analog signals, has announced the availability of the first HD Radio receivers to support "iTunes Tagging," which allow users to tag songs they hear on the air for later purchase from Apple's (NASD: AAPL) iTunes Store. The Polk Audio I-Sonic Entertainment System 2 is available from today at Apple Stores and on Apple.com, and will also be sold at Best Buy this summer. Alpine, JBL and Sony have also announced that they will incorporate the technology in upcoming radios.

Related Links:
http://www.hdradio.com