which 15" or 18" gets loudest off of 1500rms?

[pinoywitboom 10+ year member]

hey guys was wondering which 15" or 18" sub out there can get the loudest off of 1500rms with da box made to optimum specs? thx fo da help!

Click to read more...

 

[tv559 10+ year member]

FI BL 18 will be nice with 1500watts.

 

[90accordman 5,000+ posts]

look at the nightshade, looks to be great on 1500rms