If the efficiency rating of the RS1000 is the same as the rest of the Rocket line up it would be 88db.The M80s even though they are a 4 ohm speaker are rated at 95db which is quite bit more efficient.It looks to me like the Rockets would need more amp power to reach the same db level as the M80s.

Rick


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