Hey guys,
Ever since i got a second amp put in to power my crossovers at the front, the whole system seemed abit softer (no more window shaking bass) so i figured the installers tuned the amplifier(boss 1000watt *cheap shit*) powering my sub and 6x9's. I tried tuning the gains and frequencies to get it back to what it was, but when i cranked it past half volume, the sub sounds fluttery.. a VERY bad sound.. ive tried tuning it by slowly cranking it up, but it sounds shit no matter wot i do, any suggestions? my sub stuffed? it sounds fine on lower volumes.. but as soon as i crank it past half volume, it starts to sound very bad
Thanks in advance!