Tube amp sound for the modern performer'. '.strtoupper('t')he boss waza tube amp expander brings together an extensive range of carefully developed features that will elevate your tube amp to its very best performance level ever'. '.strtoupper('i')tll let you really experience the power of your amp'. '.strtoupper('i')ts advanced reactive load section allows you to crank up your amp to the max without altering its tone or having to play too loud.but thats far from all this awesome unit can do'. '.strtoupper('y')oull enjoy versatile tone in your amp like never before'. '.strtoupper('a') built in effects engine and external effects loop provide you with a wealth of sonic possibilities including reverb compressor and delay effects'. '.strtoupper('f')our different eqs let you shape your perfect tone'. '.strtoupper('w')ere still only scratching the surface of its capabilities'. '.strtoupper('t')his is sonic freedom.