DS18 GEN-X212LD Bass Package 2 x GEN-X124D 12″ Subwoofers In a Ported Box 1800 Watts If you are looking for a lot of thumping bass and a very clean prefab box, we here at DS18 have developed a very strong loaded enclosure combo to fit one of our bestselling speakers that we have to offer in a complete box! Now you don have to worry about building a box by yourself to spec for your new subwoofer purchase because you can buy them together with 1 easy click™ of the mouse. This beautiful ported box is tuned to 35Hz and has an internal volume of 3.2 cubic feet for the. The ½ inch thick treated MDF ensures the box will be tough enough to withstand very strong vibrations along with giving very accurate acoustical resonances for the perfect bass response

DS18 ZR212LD Bass Package 2 x ZR12.4D 12″ Subwoofers In a Ported Box 3200 Watts The ZR212LD provides dual 12 inch subwoofers loaded into a ported box for the listeners who like it loud! The ported box is tuned to 29 Hz and helps get the most from your subwoofers by delivering a deeper, punchier bass. Included in the ported box are two ZR12.4D subwoofers, one of our bestselling car audio subs, designed with dual 4-Ohms voice coils wired in parallel for a nominal impedance of 1-Ohm. This loaded subwoofer combo offers great sound through high-quality and high-power subwoofers in a prefabricated box that is guaranteed to last! The RMS requirement is 1600W RMS and 3200W max: so in order to power this combo to maximum potential, we recommend a 2000W RMS Amplifier like the ZR2000.1D, H-KO2, or EXL-P2000X1D