I have two ActiveHome Two Way plate amps, used (obviously), but in great shape. 4th order crossover network, variable gain, bass/treble EQ, IEC power cord. Easy way to experiment with active power for DIY speakers since you set the crossover frequency with small plug-in resistor modules (easy to build yourself for under a buck each).
Looking for $100 for the pair; will ship for free to Continental US addresses.