VFL Hybrid 275.4 AmplifierDescription Specifications Short on space but don't want to sacrifice power? Say hello to the Hybrid amp the perfect blend of brawn and compact design. With three monoblock D class amplifiers and two four channel amplifiers, you have plenty of options to choose from. And let's talk about the new kid on the block the 150. 4. It may be small, but it packs a mighty punch, making it one of the smallest four channels in its class. But don't let their slim