From the 7-ply, void-free Phillipine mahogany construction to the 4 - 10" cast-frame woofers, this cabinet was designed to produce amazing sound. A phenolic tweeter with integral phase plug handles the higher frequencies and the custom crossover has a variable tweeter control so you can dial your sound in with ease. One Neutrik Speakon and 2 - 1/4" inputs. Casters included.