The EDIG CHD1000 Circuit City OEM is AudioLogic: <A HREF="http://www.emiglobal.com/" target="_new">http://www.emiglobal.com/</A> Here's the Link to the Spec: <A HREF="http://www.emiglobal.com/mp3/chd1000.html" target="_new">http://www.emiglobal.com/mp3/chd1000.html</A>