amp is MRP-M350 that puts out about 396 watts ( it's actually rated really low from what it puts out.)

the sub is sws-1242d

Size 12 -inch
Impedance 4 ohms
Cone Material Kevlar Reinforced Pulp
Surround Material 3/4" Santoprene Rubber
Ideal Sealed Box Volume (cubic feet) 1.25
Ideal Ported Box Volume (cubic feet) 1.5
Port diameter (inches) 4
Port length (inches) 12
Free-Air No
Dual Voice Coil Yes
Sensitivity 87 dB at 1 watt
Frequency Response 26 - 1000 Hz
RMS Power Range (Watts) 50-300
Peak Power Handling (Watts) 900
Top Mount Depth (inches) 6 1/4
Bottom Mount Depth (inches) 6 13/16
Cutout Diameter or Length (inches) 10 7/8
Vas (liters) 54
Fs (Hz) 31
Qts 0.66
Xmax (millimeters) 12.8
Parts Warranty 1 Year
Labor Warranty 1 Year