hi ive just recently install a 7450mp on my car and i noticed that there was still some hiss on my mb quartz seps
nang galing po ako sa cassette dati so nasanay ako na may hiss... pero now that its cd based diba wala na po sya dapat hiss???

help i need help kasi i spent so much on it parang di tama na may hiss parin yung setup

-7450mp
-dsc216 mbquarts seps front
-comp series mb quarts rear yung may box na passive cross over
-stock wiring


kung papa upgrade ko po ba yung wiring ko sa tining nyo mawawala yung hiss?