My XD2000's are rated at 2000 wRMS @ 14.4v
I don't have what it takes to bench them myself, but several reviews have shown that they put out between 1400-1600 wRMS.
Although I don't have any personal experience with the XD3000's - if they are built similarly, you can expect 70-80% of rated. I can't tell you this for sure, but I can definitely tell you that they are well built, reliable, and efficient amps.