jp33The Down4Sound JP33 sub amp is capable of over 3K on its own. More than a match for your subwoofer system, the amp includes oversized speaker terminals that takes up to a 4 gaugeOur Ratings on Power for the JP33: TESTED at 14.4V @ 1% THD. 1-ohm rating: 3300 WATTS RMS 2-ohm rating: 2300 WATTS RMS 4-ohm rating: 1200 WATTS RMS; Other Specifications on the JP33: Frequency response : 14Hz –260Hz;