i heard back from the seller, and he doesn't seem to want to take any kind of responsibility for it. his response was "i gave you a good deal on them (amp and sub) and i took a $30 hit to ship them both." just so everyone here knows, i offered him $10 less than his asking price for each item. and his for sale thread said his asking price included shipping, so it doesn't matter if it was me who bought it, or someone else. he still was paying shipping.