The Multistream HD radio from Radiosophy receives standard and digital AM and FM broadcasts. Digital radio allows transmission of multiple audio streams on a single frequency. The Radiosophy device is expected to go on sale in December 2005.
Polk Audio's I-Sonic system incorporates HD radio with a DVD player and XM-ready satellite radio technology. It's due out in the first quarter of 2006 with an expected price of $599.
The $499 Radio Receptor from Boston Acoustics is due by December 2005.