Massive Audio
6 videos • 26 views • by BudgetBassHead Massive Audio Was first requested, on this channel, back in June of 2020. And I was able to pick up the HIPPO XL12 over at Amazon for about: $350. Massive Audio has been creating Car Audio Products Since 1999. They have built a reputable name for themselves, with subwoofer lineups such as the HIPPO and SUMO series.