Layout of my system: 2 15'' Fully loaded Fi BLs, ran by a rockford power T5002, VM9511TS Jensen HU, 220 HO Iraggi alternator, Optima yellowtop under the hood, Kinetic HC1400 in the trunk, 0/1 power wire, 8 guage speaker wire.
My speakers are omitting a 'crackling' noise on high volumes...