Right now, mb quart 354 at 2ohms. I got it for two ma-8's in a 32hrtz ported box. The apsm2000 was great, just not as efficient as the saz. I will be keeping that amp. I will be re-wireing an older set of rf t1-10's later on today to give the saz a 1ohm load. Keep y'all posted on how it works out.