this....
RE Audio MX 12D1 (MX12D-1) 12" Dual 1 ohm MX Car Subwoofer
and set your gains right... http://www.jlaudio.com/header/Support/Tutorials/Input+Sensitivity+%28Gain%29+Setting/Tutorial%3A+Input+Sensitivity+%28Gain%29+Setting/287546
heres some 0db tones.. http://www.realmofexcursion.com/downloads.htm
RE Audio MX 12D1 (MX12D-1) 12" Dual 1 ohm MX Car Subwoofer
and set your gains right... http://www.jlaudio.com/header/Support/Tutorials/Input+Sensitivity+%28Gain%29+Setting/Tutorial%3A+Input+Sensitivity+%28Gain%29+Setting/287546
heres some 0db tones.. http://www.realmofexcursion.com/downloads.htm