2-15 cab will be heavier but 2 single cabs will be bigger so will take up more space in a car/truck , if that matters....
my 2-15 cab is my favorite since i got rid of my early 70's svt cab. Prefer over the 6 10 cab and 3 12 cab i also use. that being said most of my gigs are in smaller venues and i usually go with my avatar 2-12. 15 are great for classic rock and R&B , not so much for slapping.
best advice - go try one out with your head/bass
my 2-15 cab is my favorite since i got rid of my early 70's svt cab. Prefer over the 6 10 cab and 3 12 cab i also use. that being said most of my gigs are in smaller venues and i usually go with my avatar 2-12. 15 are great for classic rock and R&B , not so much for slapping.
best advice - go try one out with your head/bass