CarSonics

@ecmperalta They're both great companies! Kicker is quite reputable for their rock solid amplifiers and subwoofers. Their speakers are also high performers. Pioneer also has a hand in manufacturing head units as well, so they specialize in some different product lines, ... It can either happen on your amplifier , or source unit. Check out our user forums on our main website to discuss more trouble shooting methods with other car audio enthusiasts! ...