The 1SKB-R112AUV 1x12: Amp Utility Vehicle offers the same protection and convenience as the larger SKB-710, 2x12 AUV case.Amplifiers are held in place on a rugged rolling Hook and Loop Fastener board with four patented adjustable corner cleats and a secure reverse-cinch belt. When the amplifier is in use, it sits securely on top of the cover at a height that improves sound projection.