https://www.carfeature.de/de/hifi-navigation/subwoofer/...-alle-subwoofer/16829/hertz-mille-mp-300-d4.3-30cm-subwoofer
Put the sub in sealed 1.4cuft great sub, go to Facebook you can get an JL Audio XD600.1 for a good price
If your sub are D2 you need 1 channel amp run 1400rns @ 2ohms
You need this one
https://sundownaudio.com/index.php/products/amplifiers-2/sae-series/sae-2000d