“I HAVE A 2008 CHEVROLET SILVERADO 2500 THAT I WOULD LLIKE TO CHANGE THE RADIO AND CASSETE PLAYER. ALSO I MIGH LIKE TOADD ADDITIONAL SPEAKERS. CAN WOU RECOMMEND A HIGH QUALITY RADIO CD PLAYER THAT'S FAIRLY SIMPLE TO USE? ALSO IT HAS 4 SPEAKERS SO HOW MORE”