Good day yarl, first and foremost shout out to peeps on the forum , ok so my question is , isit just me or does the way ur bass sound on certain days sound a lot louder than other days like some days u play the same song and it's like dayem my bass be banging, is there something that could be corsing the diff in bass volume, ? I'm kinda a noob to this, my setup is 2 12" 650rms subwoofers , a 2000rms class d monoblock amp, 4 gauge cabling from the alternator to two batteries , gettin about 13 or so volts to my setup constantly so lights and shit does not dim, I'm running a vented enclosure tuned to about 32hz , get nice and low , any help would be greatly appreciated