DS18 MP.4A Full-Range 4 Channel Class D Amplifier - 4 x 40W RMS @ 4-Ohm [MP.4A]
DS18 HYDRO 4-Channel Full Range Digital Marine Amplifier [NVY-IPX7.4]
DS18 HYDRO 6 Channel Full-Range Class D Waterproof Marine Amplifier - 3000W [NXL-X900.6D]
Roswell R1 550.2 2-Channel Marine Amplifier [C920-1832SD]
Pioneer Weatherproof Compact Monoblock Marine Amplifier - 300W [GM-ME300X1C]