Nick the mrx1120 is made in Vietnam so you will pay duty on it...
for the price I guess that selling to some one in the US that perhaps there is a price threshold that might get him in trouble (min price)

and dont forget that on the price paid .. there was shipping & tax & fees for using my CC

7.1.4 * MRX1120 * M100s * 180HP * 4x M3-on walls * 4x M3-IC * dual XV15se * Shakers