I have an extra 12 channel mixer and a 250 watt per channel power amp. Both are full functioning clean pieces. They can be hooked up and tested on site. The mixer is a model MS1221. 12 channel, spring reverb, dual 9-band graphic, and even a built in electronic crossover. This enables you to run the system full range, or bi-amp. If you want all the details and an operators manual Google Peavey MS1221 specs, you'll get everything.
The $200 includes the mixer and the power.
If you need a snake, I have a 100ft, 16 channel for $100.