Hi BigGuy,
The XA150, is that a typo? Did you mean to say X150? At any rate, I will be buying a Pass amp soon. I got my eyes set on either 150.8 (class A/B) or XA 30.8 (class A). The speakers are Theos backed up by a 210 subwoofer crossed over at 80 HZ. Obviously, XA 30.8 will sound...