1) Vifa Car Hi Fi Loudspeakers 6.5inch (P17WJ-00) new
2) Vifa Twitters 4inch (XT25TG30-04) new
3) Audison SRX3 Amplifier fairly used
4) Audio Creations Component Set new
my radio got distortion. when play cd or mp3 modulator the sound is fine. but when use radio, it has slight distortion. what to do? what is the problem?