The Vox VT20X Valvetronix 20 Watt Hybrid Modelling Amp utilises innovative new analog/digital technology to produce incredibly realistic amp tones and smooth on board effects. With an output of 20 watts 11 amp models 13 effects and housing a single 8 inch speaker the VT20X Combo pushes the boundaries of modern modelling amplifiers. The Valvetronix VT20X also incorporates pioneering VET technology a vacuum tube preamp and stylish black housing with bass reflex port.