Hi guys, I am considering buying either an old skool Kenwoood KAC 1023 or Harman Kardon TC600 power amp to run 2 MTX 5510-44 Thunder subs in bridged mode to provide 600wrms. Which amp is better as both have the same power ratings at 200wrms/channel (4 ohms) or 600wrms bridged mono at 4 ohms.