I currently amped my speakers i also have a sub. both amps are powering up but im getting no vocals, just bass from the sub. i jumped the speakers through the back of the deck and tapped into the oem wiring any ideas

 

**might not help but** , did u run one amp off of another(rcas)? if so could it be the sub amp first in line not sending anything but lows out?

is it "no sound" from speak amp , or just highs?