Ampeg SVT410HLF 4X 10 500W Bass CabinetThis is the speaker cabinet for the bass player who demands the ultimate in a single, compact cabinet setup. The SVT 410HLF delivers devastating low end bass, all the way down to 28Hz, thanks to four 10 speakers working together to move a tremendous amount of air. The SVT 410HLF actually moves 10% more air than two 18 inch speakers, and 25% more than three 15 inch speakers! And those leviathans simply cant respond to transient peaks as quickly as four