any help----thanks

[just1moreamp]

i have a set of the boston-g5-12'sub"s has anyone had any if so what do thay like 4 a box and power. i will be doing this setup for my buddys sun 4his 17t-b-day as a gift from me/ any info would b nice--and thanks-- i have a IA20.1 do u think that would be a good amp 4the subs. and again thanks