In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. With all the great-sounding features of their widely acclaimed Valvetronix AD120VT, the new VTXs pump up the volume a little more with custom-designed Celestion neodymium NeoDog speakers. In addition, they have tweaked the power amp section to take full advantage of the NeoDogs capabilities. Plus, they added switchable impedance, so you can accurately match the AD120VTX to external speaker cabinets if you wish. With a high-grade, quality plywood cabinet, the high performance AD120VTX look as good as they sound!