You can run (2) 250W RMS single 4-ohm speakers per channel at 2-ohm for a total of 8 midrange speakers, (4) 250W RMS single 4-ohm speakers per bridged channels (CH1-2 & CH3-4) at 4-ohm for a total of 8 midrange speakers, or power (1) 250W RMS single 4-ohm speaker per channel at 4-ohm for a total of 4 midrange speakers.
eBay