The damping factor of the XP 5000 is >250 in 8 ohm at 1kHz, however this doesn't mean that the unit won't work great in the 40 to 180 Hz frequency range - and even with speakers with impedances as low as 2 ohms (which is the minimum loading for these amplifiers).

Read more: Damping factor on the XP5000 amplifier

Q: Is the crossover switch on the XP a global control? Can one side run subs and the other run the tops? I can only seem to get one or the other.

Read more: Can you split the crossover on XP2100, XP3100 and XP5100?

It is not recommended, and doing so could be potentially dangerous to the amp. Users running this setting do so at their own risks, and should understand that such usage would void their product warranty.

Read more: Can I run the Phonic MAX power amplifier into a 2 ohm load?