When a stompbox has Jack White’s Third Man Hardware logo emblazoned on its front, you know you’re in for a treat. Ditto storied effect pedal brand MXR. Now, the two companies have teamed up to produce a truly novel effect – the Double Down.br The new pedal, explains Guitar World Tech Editor Paul Riario, is “an inspired take on the original MXR Micro Amp, which incidentally is an absolute favorite of White‘s and is also an essential part of his guitar rig.