To that he added an MP3 player with remote which he picked up ... When [Ivan] selects either the Aux input or wants to play MP3s from a thumb drive the uC forces the head unit into cassette ...

Well, MP3 players are making ... Astell & Kern players start at $1,000 and are strictly for true enthusiasts. If you have hard drives full of uncompressed music audio files -- and can hear the ...