2 of them actuallyI think he meant the BM and the idea of throwing 1500 watts at one of them.
True, a 1500D does every bit of 1600+ watts with a healthy electrical system, which is still 300 watts over a BM's rated power handling. But keeping the 1500D turned down to 1200'ish watts or so will be just fine. There are two guys locally running two BM 12's off a 1500D without any problems.2 of them actually