DS18 HYDRO NXL-12SUB/BK 12″ Marine Water Resistant Subwoofer with Integrated RGB Lights 700 Watts SVC 4-Ohm – Black More cone area! More power handling! More frequency ranges! This is what the new DS18 NXL12SUB brings to the table. We have had our 10″ sub in production for quite awhile now but some of our customers were wanting the same great styling, RGBs, power, and looks in a 12″ variant as well. So, we happily obliged