inbox khali karo
nahin kay bachay
yes it can be louder ,
yaar cant say about comparsion 12w7 , because its excursion is too much , 3"
nv 15" , fs 23 , 40mm xmax , will defeat w7 man easily
first 15" means more displacent
tunning frequency shoudl setbetween 33~38hz
in 5cuft to make it very loud
JL audio isnt every thing man
here just ener use this , this is why people making it famous
link to do subwoofer ki i cant find it