SUMMO84S - 8" 400 Watts RMS Dual 4 Ohm, 2" V.C. Shallow Mount SubwooferSOLD AS EACH At Massive Audio, we aim to make unique designs to solve different challenges in audio. For example, we approached the 10 & 12 shallow mount subwoofer market with the very cool UFO series. But what if you needed even more extreme space savings with a smaller sub, while still having great bass in your ride? Our all new Massive Audio SUMMO84S is an innovative approach to that solution. What makes the SUMMO84S special, yet unique in design