It's my experiance that you could expect around a 50% increase in power @ 4 ohm for most amps and receivers ( the ones that can handle it ).I had an old Kenwood amp that was 205 @ 8 ohm and 315 @4.My Rotel is 200 @ 8 ohm and 300 @4.

Rick


"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud