Zvex Box of Rox VEXTER ! NEW !The VEXTER SERIES IS FINALLY HERE ! The Box of Rock is Z. Vex Efx first “distortion” pedal, highly specialized to simulate the “everything of 10″ sound of a classic Marshall JTM45 non-master-volume amplifier. You may use the BOR effectively with many different amplifiers, but to get the sound I heard when I designed it, try it through a Marshall at least once. The start shipping Wednesday Sept 27th GotoZvex Box of Rox VEXTER !