Hello. I am a complete newbie to car audio, but basically im replacing my stock toyota avalon speakers with Alpine SPS-10C2 (only 4" in the front and back) and im also adding a Kenwood KSC-SW1 compact subwoofer (I realize that this wont add earth-shattering base, but I just want some bass for a cheap price without taking up space in my trunk)..
my question is basically, do i need bass blockers for my four alpine speakers?? (Im pretty sure my alpine speakers dont have a crossover and I don't want them to pop when im listening to music with heavy bass)..
secondly, if i do get bass blockers (which im pretty sure i will considering the speaker size is only 4" in the front and back)..what should the cutoff frequency be for them? Crutchfield advises to get 600Hz for 4" speakers..but I think thats way too high. I was thinking of getting 300Hz for the front and 150Hz for the back (only bc the kenwood subwoofer frequency range is only up to 150Hz, and that's the reason I didnt want to get 300Hz bass blockers for the back, bc then it seems to me that I wouldnt hear any frequencies between 150-300Hz)..
do you guys agree? or should i do 150Hz bass blockers for both front and back? or 300Hz for both front and back? or something totally different? any input is appreciated.
these were the bass blockers i was looking at: