OK, here is a pair of Bryston 7B-ST monoblocks that are slightly above your budget ($2,600):
http://www.usaudiomart.com/details/649345505-bryston-7bst-amplifier-pair-two-for-sale-as-set-only/
- 800 watts per channel with 1 or 4 Ω load
- 500 watts per channel with 2 or 8 Ω load
- parts and labor warranty until February 2020
- switchable between balanced XLR or unbalanced RCA inputs
These puppies will drive pretty much anything!
http://www.usaudiomart.com/details/649345505-bryston-7bst-amplifier-pair-two-for-sale-as-set-only/
- 800 watts per channel with 1 or 4 Ω load
- 500 watts per channel with 2 or 8 Ω load
- parts and labor warranty until February 2020
- switchable between balanced XLR or unbalanced RCA inputs
These puppies will drive pretty much anything!