it is a KICKER VS12L7 sub woofer, its specs on the factory site are.

Size (IN.,CM) 12, 30.5
Impedance (OHMS) 2 or 4 DVC (i got the 4)
Max Rec Amplifier Power (WATTS PEAK/RMS)* 1500/750
Sensitivity (dB 1w/1m) 88.6
Frequency Response (Hz) 20-100
Mounting Depth (IN.,CM) 6-11/16, 16.9
Mounting Cutout, Square (IN.,CM) 11-1/16, 28.1
Min Rec Sealed Box Volume (CU. FT., Liters) .88, 24.9
Max Rec Sealed Box Volume (CU. FT., Liters) 2.0, 56.6
Min Rec Vented Box Volume (CU. Ft., Liters)** 1.75, 49.6
Max Rec Vented Box Volume (CU. Ft., Liters)** 3.25, 92.1

i could use some links to the amplifiers you are suggesting too, it would be appreciated, and just a basic definition on the difference between dual channel and mono amps, and what the 1500/750 RMS watts means.