1) speakers 5
2) amplifiers 4
3) signal processors (head-units, EQ, crossover) 1
4) video 1
5) Box construction (wood, Glassing, and other material) 4.5
6) knowledge of SQ 4
7) knowledge of SPL 5
24.5/70=35%, i alway say "if u score higher than ur basketball number, you're fine..."