Shane, while yes "900w is 900w" there is a big difference. a simple answer to a simple ohm question would be: while lowering an amps output impedance you are gaining power but also increasing a phase shift at a certain frequency depending on the amps "guts". if you are looking for strait SPL and care less about accurately recreating whats on your CD/DVD/MP3 or whatever you are listening to take advantage of the 1ohm power (and possible phase shift that could gain SPL at a certain frequency). if you want to maintain more sonic accuracy stay with the 2 ohm especially with a $250 amp.
