4 subs?


Unregistered guest
right now i have 2 interfire 12's running on a interfire ib2900c 1000 watt amp...if u hook 2 more subs to that amp will it be louder with 2 fairly powered subs or 4 lesser powered? i got 4 interfire 12's and im not into buying a nother amp.

Silver Member
Username: Theelfkeeper

Stockbridge, GA USA

Post Number: 939
Registered: Feb-05
actually i think it'll be the same, since your cutting the power in half, then doubling the cone area basically.

Gold Member
Username: Tdeaton1021

Near Tampa, Florida USA

Post Number: 1711
Registered: Sep-04
by rule if you double the surface area but keep same power it will be 3 decibels louder...

Silver Member
Username: Jakeyplaysbass

St. Louis, MO

Post Number: 509
Registered: Jul-05
it will be louder but take up alot more room. i would get another amp in the future in order to fully power the subs.
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